Are you having trouble starting OutlookOutlookor Outlookor receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. We can diagnose and fix several common Outlook issues for you. If our automated tool can't fix your issue, or if you'd like to fix it yourself, see the next section.
Start Outlook in safe mode and disable add-ins Sometimes add-ins can conflict with Outlook. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the problem. For more information, see Office programs may crash with the FineReader add-in installed.
If prompted, enter your password and choose Accept. How do you know you're working in safe mode? You'll see a label similar to the one below at the top of the screen. The Outlook icon on your taskbar also alerts you the program isn't operating normally.
If Outlook does start in safe mode, then the cannot start microsoft outlook 2016 cannot open the outlook window invalid xml free download is likely with one of your add-ins. You'll need to disable all of your add-ins before restarting Outlook. As a precaution, when the COM Add-ins listing of your current add-ins opens, do one of the following:. Manually record the title of every selected add-in listed under Available Add-ins.
After you've captured the titles of the selected add-ins, clear all cannot start microsoft outlook 2016 cannot open the outlook window invalid xml free download check boxes, and then choose OK. Caution: Click a check box to clear it. Don't select an add-in and choose Remove. If you have administrator rights, you could actually delete the add-in. For this troubleshooting exercise, you want to disablenot deletean add-in. Note: If the program loads properly, it's likely that one of your add-ins is the source of the error and you need to identify which one.
To determine which add-in is the problem, enable one add-in at a time. Select the check box next to an add-in you want to re-enable, and then choose OK. Repeat all steps until you've re-enabled all of the original add-ins and revealed the source of the error.
Important: Remember, if Outlook opens in safe mode, you've revealed the add-in you just enabled as a source of the error. Restart Outlook again and disable the add-in you enabled that produced the problem, and then start Outlook. Make sure you go through the restart-disable-restart process for every add-in that was originally enabled in Outlook.
An error could be caused by more than one add-in. Your profile contains your Outlook settings. Occasionally, that profile can become corrupted. You can determine if it's corrupt by creating a new profile and changing which profile is used when Outlook starts. In the Profile Name box, type the name you want to use for your new profile.
Note: The Add Account Wizard automatically searches for your mail server settings. Choose Finish and you'll find the new profile name you added listed on the General tab in the Mail dialog box. Under When starting Microsoft Outlook, use this profilechoose Prompt for a profile to be usedand then choose OK. In the drop-down list in the Choose Profile dialog box, choose the new profile name you created.
Note: If Outlook starts normally, then you've identified your Outlook profile as being corrupt and the source of your problem. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. These files occasionally might become corrupted.
You can run the Inbox Repair Tool scanpst. Note: The content in the left pane is determined by the Outlook version you're using. Outlook Repair Outlook Data Files. The navigation pane is the leftmost pane in Outlook where you'll find your folder list and the icons to move between Mail, Calendar, People, and Tasks. Note: If you have more than one computer, run the command on all computers because the navigation pane customizations are specific to the local Outlook on a computer.
In the Open box, type Outlook. Compatibility mode is designed to help a program run on an older operating system. If Outlook is running in compatibility mode, you can turn that off and see if it fixes the problem. Note: This step is for Outlook or Outlook Outlook doesn't have a Compatibility tab. Right-click the Outlook. Are you a Microsoft for business customer? Let us fix the problem cannot start microsoft outlook 2016 cannot open the outlook window invalid xml free download you.
Sometimes add-ins can conflict with Outlook. Tips: How do you know you're working cannot start microsoft outlook 2016 cannot open the outlook window invalid xml free download safe mode? Exit Outlook to use the Inbox Repair Tool. Need more help? Get support. Expand your Office skills. Was this information helpful? Yes No. Any other feedback? The more you tell us, the more we can help. How can we improve?
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