1 Find the XML file you want to open. XML files are encoded in plaintext, so you can open them in any text editor and be able to clearly read it. [1] 2. Right-click the XML file and select "Open With." This will display a list of programs to open the file in. 3. Select "Notepad" (Windows) or "TextEdit" (Mac). StackOverflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; About the company xl(Folder): This folder has most of the information. By default it has 3 subfolder: "_rels", "theme" and "worksheets" as well as two more XML files workbook.xml. [Content_Types].xml: The XML file [Content_Types] is the only file on this level. It has references to the XML files within the folders above. Thevalue returned in the xhr object's responseXML field is a Document constructed by parsing the XML.. If the document is HTML, the code shown above will return a Document.If the document is XML, the resulting object is actually a XMLDocument.The two types are essentially the same; the difference is largely historical, although differentiating has some practical benefits as well. 20 Exit code: 20 Install source path does not exist. 1. Ensure that the installer isn't corrupt ( present in the payloads folder). 2. Make a local copy of the installer, and then retry the installation. 21. Exit code: 21 Payloads version is not supported by installed version of RIBS. 381yrcK. OK, let's separate the question of the characters that aren't valid at all in any XML document. need to be escaped. The answer provided by dolmen in " is still valid but needs to be updated with the XML specification. 1. Invalid characters The characters described here are all the characters that are allowed to be inserted in an XML document. In XML Reference see XML recommendation § Characters The global list of allowed characters is [2] Char = x9 xA xD [x20-xD7FF] [xE000-xFFFD] [x10000-x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */ Basically, the control characters and characters out of the Unicode ranges are not allowed. This means also that calling for example the character entity &x3; is forbidden. In XML Reference see XML recommendation § Characters, and Rationale and list of changes for XML The global list of allowed characters is [2] Char = [x1-xD7FF] [xE000-xFFFD] [x10000-x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */ [2a] RestrictedChar = [x1-x8] [xB-xC] [xE-x1F] [x7F-x84] [x86-x9F] This revision of the XML recommendation has extended the allowed characters so control characters are allowed, and takes into account a new revision of the Unicode standard, but these ones are still not allowed NUL x00, xFFFE, xFFFF... However, the use of control characters and undefined Unicode char is discouraged. It can also be noticed that all parsers do not always take this into account and XML documents with control characters may be rejected. 2. Characters that need to be escaped to obtain a well-formed document The should be escaped with &62; entity. It is not mandatory - it depends on the context - but it is strongly advised to escape it. The ' should be escaped with a &39; entity - mandatory in attributes defined within single quotes but it is strongly advised to always escape it. The " should be escaped with a &34; entity - mandatory in attributes defined within double quotes but it is strongly advised to always escape it. Read time 7 minutes MS Outlook users have become so dependent on it that they can’t just use another email client if Outlook faces some issue. While there may be some cases when the problem faced is ignorable, and one gets to live with it or even find a workaround. There are some errors that one just can’t ignore. One such error reported by users is when the Outlook application fails to open and throws the error “Cannot start Microsoft Outlook Cannot open the Outlook Window” It further mentions that there is an Invalid XML and the view that can’t be loaded. This issue brings the user to a standstill as no email function can be performed if Outlook doesn’t open at all. One can’t even read emails, let alone perform other tasks. In this blog, we will help you understand and fix this error once and for all. What is Invalid XML Error Outlook users sometimes face this issue where the application fails to open and throws an error in a pop-up window. The error reads as “Cannot start Microsoft Outlook. Cannot open the Outlook window. Invalid XML, the view cannot be loaded.” Further, it doesn’t provide much troubleshooting options as the application closes as soon as you click on the only button on the pop-up window – the “OK” button. So, the user is not able to perform any function on the Outlook application due to cannot start microsoft outlook cannot open the outlook window error. Most of the time, the error is not intermittent and keeps popping until fixed. Causes behind Invalid XML Error Before we move to the resolution methods, let us first discuss the reasons that can lead to this error. There can be various causes that can trigger the Invalid XML error. Here are a few of the most common causes behind this error. Navigation pane configuration issue The navigation pane is the window that appears on the left side in Outlook and helps you switch between different functional areas such as Calendar, Contacts, Mail, Notes, Tasks, etc. The configuration settings of this Navigation pane are stored in an XML file in the Outlook folder. Editing this XML file can cause this issue. Further, corruption or any other damage to this file may also lead to this error Hard drive corruption Corruption of hard drive can cause issues. If the XML file for the navigation pane lies in any bad sector, then the application will not be able to access and process it successfully. This may lead to Invalid XML Error. Running Outlook in compatibility mode Sometimes, you may have to open Outlook in compatibility mode so as to fix any other issue that you might have faced. But there are various features and settings that are disabled in compatibility mode. The navigation pane is also impacted while running Outlook in compatibility mode and can face the invalid XML error. Using an outdated version of Outlook This cause is not common but has still been observed in some cases to impact the navigation pane configurations. An outdated or very old version of Outlook can cause this issue. How to fix the Invalid XML Error? We know a bit about the Invalid XML error, what it is and how it may occur to you. Now, let’s move forward to fix this error. Reset Navigation Pane If resetting the navigation pane didn’t fix the issue, then there may be a possibility that the XML file is corrupt, and Outlook is neither able to read it nor reset it. Manually deleting the file and then restarting the Outlook will lead to the creation of a new XML file with default settings. Follow the below steps to achieve the same. Press Windows+R keys on your keyboard. This will open the Run window. In the Run window, paste below command – /resetnavpane’ Run the Outlook again, and it should work fine. If not, proceed to the next method. Delete corrupt XML file If resetting the navigation pane didn’t fix the issue, then there may be a possibility that the XML file is corrupt, and Outlook is neither able to read it nor reset it. Manually deleting the file and then restarting the Outlook will lead to the creation of a new XML file with default settings. Follow the below steps to achieve the same. Press Windows+R keys on the keyboard to open the Run dialog box. In the run box, paste “%appdata%\Microsoft\Outlook” and press Enter. This will open the Windows Explorer window and take you to the Outlook configuration directory. You would find an XML file under this location most probably by the name “ Delete this XML file and restart Outlook. If you still face the same issue, proceed to the next method. Disable compatibility mode Click on the Start menu and type application icon would appear in the search results. Right-click on the icon and click on Properties. A new window opens for properties. Click on the Compatibility tab. Under the compatibility mode, there would be a checkbox for “Run this program in compatibility mode for”. Uncheck this checkbox and click on Apply and then press OK. Repair Corrupt PST Files Sometimes the hard drive and Outlook data files are a victim of corruption and cause this error. If that PST file is corrupt, then you need to repair it using a professional Outlook Repair tool. Kernel for PST Repair tool is the answer to your problems in such a scenario. It is a very powerful yet simple tool that can repair your PST file and get rid of all corruption in a matter of minutes. The GUI is smooth and very intuitive that you won’t even need any instructions to fix your PST file using it. Once the PST file is repaired with the help of this tool, restore it to Outlook, and your issue should be fixed. Conclusion In this blog, we discussed the Invalid XML Error that prevents Outlook application from opening. First, we explained what the error is and what it means. Next, we discussed the various causes behind this error and explained how these causes could lead to the error. In the subsequent section, we covered various methods to resolve the issue and get rid of this error. We covered from the most common fix to the rarely required one so as to fix the problem, no matter what the cause is. In the end, we also suggested a Outlook repair tool to help in the scenario where PST restore is the only option left, and your PST file is also corrupt. Kernel for Outlook PST tool can be used to resolve Outlook PST corruption issues. We hope that you were able to get your Outlook working again with the help of this blog. More Information Fix “The Set of Folders Cannot be Opened” Error in Outlook 2016 Top 10 Outlook Errors and Ways to Fix Them How to Fix 0x80004005 The Operation Failed Error in Outlook? How to resolve IMAP error – 0X800CCC0E? I wrote the following file in Visual Studio 2008 as a new XML file, and it reports the following error. What is the error message about and why it is treated as a wrong format XML file? Here is the XML file and related error message. &x2; Error 1 Character ' ', hexadecimal value 0x2 is illegal in XML documents. 2 6 Miscellaneous Files thanks in avdance, George asked Mar 30, 2009 at 837 4 Your problem is the reference to &x02, which essentially is random binary data that can not be printed. This is not allowed in it is in XML and higher, but it's not certain that your .Net version will allow it even if you change XML versions. answered Mar 30, 2009 at 843 Mia ClarkeMia Clarke8,1243 gold badges49 silver badges62 bronze badges 7 I wrote the following file in Visual Studio 2008 as a new XML file, and it reports the following error. What is the error message about and why it is treated as a wrong format XML file? According to the W3C XML Specification, the only characters allowed in an XML document that are below &x20; are the tab 09, newline 0A and carriage return 0D. XML allows almost all characters, excluding 00, but is very rarely implemented and one should not rely on finding an XML implementation. Even in the XML Spec. it is said that the use of the now allowed characters below &x20; "is strongly discouraged". answered Mar 30, 2009 at 1342 Dimitre NovatchevDimitre Novatchev240k26 gold badges292 silver badges429 bronze badges 2 Check out the XML specification In particular, see the definition of Characters in section Char = x9 xA xD [x20-xD7FF] [xE000-xFFFD] [x10000-x10FFFF] And the definition of entity references in section Characters referred to using character references must match the production for Char. answered Mar 30, 2009 at 934 gold badges107 silver badges135 bronze badges 1 0x2 is not a printable character. answered Mar 30, 2009 at 840 gold badges75 silver badges136 bronze badges 3 Can’t open your Microsoft Outlook account? Lost access to important Outlook emails, contacts and events? Are you facing Invalid XML error in Outlook’? Getting Outlook error messages pop-ups like Cannot start Microsoft Outlook invalid XML, the view cannot be loaded in Office’. And this error message appears in almost all MS Office versions like Outlook 2019, 2016, 2013, 2010, 2007, etc. There’s nothing to panic!! You must aware of one fact that the trouble is caused by some XML file associated with your Outlook profile. Through this article, you will find a solution to resolve the problem. Here we will examine the issue, its causes and resolutions to fix “Cannot start Microsoft Outlook invalid XML” error. We will help you run your Microsoft Outlook account again and access your email messages without any errors encounters. Is There any Quick Fix for Invalid XML Error? Yes, we have. Inaccessibility of an email account causes major problems. Invalid XML error is an internal issue that cannot be fixed easily by a non-technical person. Microsoft Outlook stores its data items in a local file called as Personal Storage Table PST. This PST file contains all your Outlook items like emails, contacts, calendars, tasks, notes, journals, etc. To get access to your Outlook emails, you only need to retrieve and restore your PST file. So, if you are getting trouble with Outlook invalid XML error and unable to access your emails messages, then you can make use of SysTools Outlook PST File Repair Tool. The software helps to fix and extract data from an Outlook PST file easily in a simple procedure. All you need to know is the location of your stored Outlook PST data. The storage location of an Outlook PST depends on your Outlook versions. Download Now Purchase Now Simple way to Access Data While Invalid XML Outlook Error Add your inaccessible Outlook PST file in the software Choose Advanced scan mode to scan and repair your PST file Software previews Outlook mailbox data items Export Outlook PST mailbox data into a PST file safely Now you can remove your Outlook account and configure the account once again. This way, you can easily resolve this Cannot open the Outlook window, Invalid .xml error and access Outlook data without any error. And now you can import the resultant PST file data in the Outlook account and access your email messages. Now see the further sections of the blog to know more in detail about the issue Cannot start Microsoft Outlook invalid XML, the view cannot be loaded issue in Windows. Invalid XML Error in Outlook 2010/ 2013/ 2016 – Cause & Indication Cause The XML file which has Navigation pane settings is damaged / corrupted. This is the real reason behind the “Cannot start Microsoft Outlook invalid XML” error. The main symptom of this MS Outlook XML file corruption is very easily recognizable. When you try to open the application by click on the icon, it will hang for a while and a pop up will appear with the error message “Cannot start Microsoft outlook. Cannot open the Outlook window. Invalid XML, the view cannot be loaded”. Note To make sure the condition, check whether XML file size is 0. If it is, you can ensure that the XML file corruption is the reason behind your MS Outlook account malfunction. And this result in inaccessibility of your Outlook data. Depending on the version of your Microsoft Outlook account, the error message regarding the Invalid XML error in Outlook – issue can vary. Outlook 2010 Microsoft Outlook has encountered a problem and needs to close. We are sorry for the inconvenience. Outlook 2013 Cannot open your default e-mail folders. The information store could not be opened. Outlook 2016 Cannot start Microsoft Office Outlook. Unable to open the Outlook window. Invalid XML, the view cannot be loaded. Solution for Cannot Start Microsoft Outlook Invalid XML Error Once you start MS Outlook account, you can see the Navigation Pane on the left side with an active profile, Top folder and other items like Contacts, Calendar, etc. The settings and arrangements that you made here will be stored in someplace as an XML file which will name as Where the “profilename” will be the name of your respective Outlook profile. Depending on the Windows version, the default location of the XML file will be different. Windows XP C\Documents and Settings\username\Application Data\Microsft\Outlook Windows Vista / 7 / 8 / 10 C\Users\username\AppData\Roming\Microsft\Outlook Solve Invalid XML Error in Outlook- Regenerate Navigation Pane Settings XML File Follow the steps given below to clear and regenerate the navigation pane settings file when you get the Invalid XML error message. Warning Before starting to perform the procedure to reset the Navigation pane, always make sure that you have the backup of your XML file. Save a copy of your Outlook XML file. This solution will not help you to get back all your folders. It fixes the corruption and helps to run Outlook without any errors messages. Click on the Windows Start menu. Open the Run window and enter the command “ /resetnavpane” Note For Microsoft Office 10 users “C\Program Files\Office 14\ /resetnavpane “. Also, note that there is space exist after After performing the above method, now open your Microsoft Outlook account to see whether the error message Cannot start Microsoft Outlook invalid XML, the view cannot be loaded is appearing again. If not, you have successfully resolved the issue. Great!! A Solution to Fix Mac Outlook Errors If getting any issues in Mac Outlook and looking for reliable, then try the Mac Outlook Recovery toolkit. It supports all the Mac Outlook files such as OLK14, OLK15, and OLM files in case of any corruption. Free Download Purchase Now Final words Getting error message pop-ups and error code are quite common in Microsoft Outlook. But finding a solution for all those issues are not that easy. In this blog, we have clearly mentioned the reason behind the error “Cannot start Microsoft Outlook invalid XML“. The above-mentioned steps will help you to regenerate Navigation pane and run again without the occurrence of invalid XML error in outlook 2010 / 2013/ 2016 / 2019. Some times this error may end up in data inaccessibility in MS Outlook and the users can’t access their emails & other mailbox items. So to access your Outlook data in PST file, you can use a reliable application as suggested in the above section. Technical glitches know no bounds. Sooner or later, you might experience one and your pleasure goes into vain when you aren't able to proceed with the work you want. This article talks about one of the Microsoft Outlook error that says "cannot open the Outlook window invalid XML". If this particular message pop-up is what bothers you, you might be aware of it. In addition to this, you should know how you can tackle this situation. In the next few moments, we will provide you some helpful information regarding the error that will be worthy to read. Here we go! Part 1 Invalid XML Error in Outlook 2010/ 2013/ 2016 – Cause And Symptoms Part 2 Five Tips to Fix Cannot Start Microsoft Outlook Invalid XML Error Part 3 Try a professional Outlook Repair Tool to Fix This Error Invalid XML Error in Outlook 2010/ 2013/ 2016 – Cause And Symptoms Before we move on to the steps, we would like you to go into a little detail about the issue. Let us make you know the cause behind the problem and how will you get to know it. Causes of Invalid XML Error The actual reason due to which the "cannot start Microsoft Outlook Invalid XML" error can appear is the Navigation pane settings. If the Outlook XML files in the settings got damaged or corrupted due to any reason, you may get this problem. When Outlook is set in compatibility mode, problems like these are likely to occur easily. Moreover, using the Outlook profile in previous versions can rarely also be responsible for the issue. Symptoms of Invalid XML Error You can easily find the error on your system as there is only one symptom enough to make you realize that you are stuck with the problem. When you launch Outlook, you will find it getting frozen for a bit. After this, a pop-up will come up where it will show the message "Cannot start Microsoft outlook. Cannot open the Outlook window. Invalid XML, the view cannot be loaded". Note To ensure that the XML file corruption is the only reason, ensure that the size of the file is 0. Now that you know what can make this error happen, let us try to fix these on our own. Here are the five methods mentioned one by one. Check out which helps you. 1 Use Inbox Repair tool One of the promising ways to resolve cannot open Outlook invalid XML issues can be Inbox Repair Tool. This tool is designed by Microsoft to help people repairing their PST files as well as any problems related to it. If the PST files get damaged, you may get this problem and hence as the first method, we would like to suggest you going with this. This is how you can repair it when stuck with cannot start Outlook invalid XML problem. Step 1 On your PC, begin with launching Windows Explorer. And for this, you got to push the key combination of "Windows" and "E" on your keyboard. Step 2 When you see it opening, simply navigate to the following pathC\Program Files\Microsoft Office\{Office version} If you own a PC that is having 64-bit Windows and 32-bit Office is installed, go along with the following pathC\Program Files x86\Microsoft Office\{Office version} Step 3 Once done, make sure to look for the " and when you discover it, click twice on it to move further. Alternatively, go to the Start button and press it. On the search box, type " Step 4 Now, ensure to click on the "Browse" button so that you can select the default file. Step 5 Once done with this, further the process by clicking on the "Start" button. The file will be scanned now. You might be shown a message in the dialog box of the Microsoft Outlook Inbox Repair Tool if the file is having errors. The message would be, "Errors were found in this file. To repair these errors, click Repair." Step 6 Do as the message says, click "Repair" and the PST file will begin to repair. Wait until it gets completed. Once done, launch the Outlook application and see if the problem is gone with the PST file or not. 2 Recover the Navigation Pane Configuration file Apart from PST files getting corrupted, if there are the Navigation pane settings that have gone through the same trouble, probably you cannot start Microsoft Outlook and an invalid XML error is likely to appear. Thus, with this method, we would like you to see the navigation pane settings if the above method didn't work for you. If these are corrupted, here is how you can do some configurations. Step 1 Launch the Run dialog box. You can press the "Windows" and "R" keys to do this. When it opens at the bottom, simply type " /resetnavpane". Step 2 When you have keyed in the command, press the Enter key or hit on "OK". The command will do the work now. Run Outlook now and your navigation settings will start getting recovered now. 3 Delete Navigation Pane Configuration file If recovering didn't help you out, try to delete the Navigation pane settings. The steps involved in this process are as follows Step 1 Launch the Run dialog box by simply pressing the Windows and R key together. When it opens, you need to key in "%appdata%\Microsoft\Outlook". Step 2 You will happen to see the configuration files' list that is stored in Microsoft Outlook. Step 3 In the search box now, make sure to key in " file". Step 4 when you find it, you need to right-click on it and go for the deletion. See if this works. 4 Turn off Compatibility Mode in Outlook If unfortunately, the above method didn't solve the problem too, we can help you with this too. When Outlook is in compatibility mode, many problems can arise. And cannot open the Outlook window invalid XML can be one of them. Therefore, you need to turn it off to get everything smoother. This is how you should do it. Step 1 Press on the Start button and simply type the " in the search field. Step 2 When it is being shown on the screen, you need to right-click on it. Pick out the "Properties" option. Step 3 When you see the Properties dialog box appearing, head to the "Compatibility" tab. Followed by this, you need to look for the "Run this program in compatibility for" option and uncheck the box beside it. Click on "OK" for confirmation. 5 Restore the Previous Version of the PST File Here is the next method that you can try to get everything fixed. Make sure to follow the steps below carefully to get the "cannot start Microsoft Outlook" due to Invalid XML fixed. Step 1 To start with, look for the folder in which your Outlook file was located. Step 2 Now, you need to right-click on the folder and choose the "Restore previous versions" option from the menu. Step 3 You will be navigated to the new dialog box. Here, you will be able to see the recent version of the selected folder. This can be seen in the "Previous versions" tab. Step 4 Check here if the Outlook file that you need is here in the list by clicking the most recent folder. Step 5 When you will find the missing file, click on the "Restore" button. A pop-up will spear where you need to hit "Restore". Step 6 In case you do not want to replace the previous version with the new one, you can go for the "Copy" option at the bottom. This will save the previous version to some other place. Try a professional Outlook Repair Tool to Fix This Error If you are still in the same place, try using a professional and a complete solution that repairs Outlook PST files. The tool is the Stellar Outlook Repair Tool which can surely help you in this case. It assists in fixing the corrupted PST Personal Storage Files and then recovers the contents from it like contacts, attachments, etc. Let us know more about it through the features section. Features of Stellar Outlook Repair Tool It possesses an improved GUI and offers selective mail recovery. You can repair encrypted PST files as well as files that are larger than 2GB in size. With this tool, you get the privilege to preview the deleted item, save it, and an option to load scan information. This tool is easily compatible with Outlook 2019, 2016, 2013, 2010, 2007, and works in a hassle-free way. You can restore formatting from RTF and HTML messages. How to use Stellar Outlook Repair Tool Step 1 Find PST Firstly, you need to locate the PST file. And to go ahead with this, make sure to download and install the program on your PC. Launch it once everything goes successfully. Hit on "PST File for Repair". After this, click on the "Find" option and then choose the needed drivers from the dialog box. When you are done with this, hit on the "Find" button and click "Look in" right after that. A PST files' list will appear and you should look for the necessary one. Above was the step to find the PST file in the drive. In case your file is in the folder or subfolder, you got to proceed with the Home menu and choose "Select Outlook PST". Subsequently, run "Select PST File for Repair". Hit on the "Find" and begin to select a drive. Press the "Look in" button and you can then look for the folder having a PST file. For subfolders, simply go to "Search Subfolders" followed by the "Find" button. You can now find the file. Step 2 Repair File When you have selected the file in the first method, you are required to click on the "Repair" button. The program will start to scan the selected file. You have to be patient until you see a box saying "Repair complete". Hit on "OK" after that and ensure to preview the PST file now. See what items are recovered. Step 3 Save File When you are satisfied with the previewing and the file gets recovered, it is time to save it. To do this, click on the "Save Repaired File" button in the "Home" menu. A "Save As" dialog box will come where you need to click on the "Browse" button. Next up, you need to go to the location that you want. Simply select it and save your recovered file. The Bottom Line Seeing the Outlook invalid XML error on the PC screen can be no less than a disaster. But where there is a problem, there exists a solution. And we shared with you the top and helpful of them. However, we would like you to go with the Stellar Outlook Repair tool as it is a highly recommended tool when it comes to repairing Outlook errors. We just hope that all your doubts have been cleared with this article. And you are now relaxed from this trouble. Make sure to share these articles with your close ones's ad well as leave comments below to be in touch with us. Moreover, stay tuned for further interesting topics.

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