The “Cannot start Microsoft Outlook” error is a common problem that can occur when you try to launch Microsoft Outlook. This error message Unable to start Microsoft Outlook can be frustrating as it prevents you from accessing your emails, calendar, and other important information stored in Outlook. This error typically indicates a problem with the Outlook data file .It may occur when Outlook is unable to find the data file, or when the file is corrupted or damaged.
Corrupt Outlook profile: Your Outlook profile may be corrupted, preventing the application from starting properly.
Damaged Outlook installation: The installation files for Microsoft Outlook may be damaged, preventing the application from launching.
Conflicting third-party add-ins: A third-party add-in installed on your system may be conflicting with Outlook, causing it to fail.
Low system resources: Your system may not have enough resources (such as memory or processing power) to start Outlook.
Antivirus software: Your antivirus software may be blocking Outlook from starting.
Create a new Outlook profile:
Repair the Outlook installation:
Disable third-party add-ins:
Turn off Compatibility Mode
The Outlook error like cannot start Microsoft outlook or set of folders cannot be opened, can’t open the outlook window. the set of folders can’t be opened” might also additionally be brought about with the aid of large-sized Outlook files.
In this case, you can minimize the dimension of your information file to resolve this problem.
Check system resources: Close any unnecessary applications and try restarting your computer to free up system resources.
Temporarily disable antivirus software: If you suspect your antivirus software is blocking Outlook, try temporarily disabling it and then launching Outlook.
If the restore manner does no longer repair the issue, you may additionally want to uninstall and reinstall the application. It’s additionally viable that the problem is brought about via a large trouble with your pc or community.
Remove and reinstall office
Following the steps under:
In Conclusion :
If the issue Cannot open Microsoft Outlook still persists, please initiate the chat, One of our Certified Microsoft technicians will help you.We provide support for Microsoft products like Windows and Office and Outlook, we can also set up free tools provided and included with Microsoft Windows and can train you on how to use them to maintain the health of your computer.