How to Fix “Cannot Start Microsoft Outlook” Error?
Run Outlook in Safe Mode. Outlook add-ins help in enhancing the user experience as they offer certain features that don’t exist in the base
Reduce Outlook Data File Size.
Update Outlook.
Remove XML Files.
Reset Navigation Pane.
Find our Outlook.exe file on your computer. Right-click Outlook.File exe, select Properties, and/or select the Compatibility tab. If any of the checkboxes on the Compatibility tab are checked, clear them and select Apply > OK. Restart Outlook.
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However, if Outlook gives the message “Microsoft Outlook cannot be started. The Outlook window cannot be opened. Sometimes the specified folders cannot be opened by mistake, you can try deleting the configuration from the navigation bar and also let Outlook reset the file. Press Windows Key + R to bring up the keyboard, I would say the Run application.
The solution is to reset the navigation bar to its lagging setting: depending on your operating system: follow “Run” in the start menu, or also press the Windows “R” key and even open the “Run” chat box.
Enter the command outlook.exe /resetnavpane (note the space) in the text box and confirm with OK.
Launch Outlook
Start Outlook in safe mode. Outlook add-ins help improve the user experience by specializing in certain features not found in the base application.
Reduce the size of your Outlook data file. Outlook creates two types of all data files in the local software – PST POP3 (for sending accounts) and OST (for MAPI/IMAP accounts).
Update Outlook.
Delete the XML files.
If Outlook still says “Microsoft Outlook won’t start. Cannot open an Outlook window. Can’t open program folders” can anyone try to manually delete the “Panel Navigation” configuration file and reset Outlook. Press our Windows + R keys on yours to open the Run with Keyboard app.
The information store error can be caused by a corrupt navigation bar selector. To solve this problem, use the keyboard shortcut Windows + R. Then type “outlook.exe /resetnavpane” in the “Open” “Run” box, enter the text and click the “OK” button.
Locate Send Outlook.exe on your computer. Right-click the Outlook.exe file, select Properties, then the Compatibility tab. If any of the checkboxes on the Compatibility tab are indeed checked, uncheck them, then select Apply OK > Restart Outlook.
Fix Microsoft Outlook error: Folder set must not be open. Create a new Outlook profile. Use the shortcut on the taskbar to launch Outlook. Be sure to use a separate code for Outlook. Sign out of iCloud. Reinstall iCloud. Do not install the server change cumulative update. Make sure you have the 64-bit version of Office installed.
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