Alex Ruben
How to Fix “Unable to Start Microsoft 365 and Office” Error in Windows
This guide provides a step-by-step approach to resolve the “Unable to Start Microsoft 365 and Office” error in Windows. By following these instructions, you will learn how to use built-in command-line tools to diagnose and repair issues that may be preventing Microsoft 365 and Office from starting correctly.
Step 1: Run the System File Checker
First, you will need to run the System File Checker tool, which scans for and restores corruptions in Windows system files.
- Press Windows + R to open the Run dialog.
- Type
cmdand press Ctrl + Shift + Enter to run Command Prompt as an administrator. - In the Command Prompt window, type the following command and hit Enter:
sfc /scannow
This process may take some time. Once it completes, review the results and see if any issues were detected and fixed.
Step 2: Use the Deployment Image Servicing and Management Tool
If the System File Checker doesn’t resolve the issue, use the Deployment Image Servicing and Management (DISM) tool to repair the Windows image.
- With the Command Prompt still open, enter the following command to check the health of your system image:
Dism /Online /Cleanup-Image /CheckHealth - Next, scan the health of your image using the command:
Dism /Online /Cleanup-Image /ScanHealth - Finally, to restore the health of your system image, run:
Dism /Online /Cleanup-Image /RestoreHealth
These commands will help detect and repair any corruption in the Windows system image that could be affecting your Office applications.
Step 3: Restart Your Computer
After running the above commands, it is essential to restart your computer. This ensures that any changes made during the repair process are implemented correctly.
Extra Tips & Common Issues
If you still encounter the “Unable to Start Microsoft 365 and Office” error after completing the steps above, consider the following:
- Ensure that your Windows is up to date.
- Check that your Microsoft 365/Office installation is not corrupted. You might need to reinstall it if necessary.
- Review any recent updates or installations that might conflict with Office applications.
Conclusion
By following these steps, you should be able to resolve the “Unable to Start Microsoft 365 and Office” error on your Windows machine. Regularly maintaining your system through updates and scans can help prevent similar issues in the future.
Frequently Asked Questions
What should I do if the error persists after following these steps?
If the problem continues, consider contacting Microsoft support for additional assistance or checking online forums for similar cases and potential solutions.
Can I run these commands on Windows 10 and Windows 11?
Yes, these commands are applicable for both Windows 10 and Windows 11 environments.
Will running these commands affect my files or installed programs?
No, these commands are designed to repair system files and the Windows image without affecting your personal files or installed programs.
