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# Why Microsoft 365 Keeps Restarting and How to Fix It
- URL: https://todayfixtech.com/microsoft-365-restarting-fix/
- Published: 2026-10-24T05:53:01.000Z
- Updated: 2026-10-24T05:53:01.000Z
- Author: Md Sojib Mia
- Tags: Microsoft, Troubleshooting

[If Microsoft 365 keeps](https://todayfixtech.com/microsoft-365-updates-features/) restarting, it's likely due to conflicts with updates, add-ins, or corrupt installations. This can disrupt your workflow significantly, especially when you're in the middle of important tasks. Fortunately, there are several steps you can take to resolve the issue quickly.

## What causes Microsoft 365 to keep restarting?

[Common reasons for Microsoft](https://todayfixtech.com/fix-microsoft-365-login-issues/) 365 restarts include software updates requiring a restart to complete, conflicts between add-ins or extensions, and corruption within the installation files. If an update is pending, Microsoft 365 may restart to apply it. Add-ins can interfere with normal operation, leading to unexpected behavior like restarts. Additionally, if the installation itself is damaged, it may not function correctly, causing repeated restarts.

## What are the immediate fixes to stop the restarts?

Here are a few immediate fixes you can try:

1. **Repair Microsoft 365 Installation**: - Go to `Control Panel` \> `Programs` \> `Programs and Features`. - Find `Microsoft 365` in the list and select it. - Click on `Change` and select `Quick Repair` or `Online Repair`. \`\` `text title="Expected output" The repair process will fix any corrupt files and may resolve the restart issue. `\`\`
2. **Disable Add-Ins**: - Open any Microsoft 365 application, like Word or Excel. - Go to `File` \> `Options` \> `Add-Ins`. - At the bottom, select `COM Add-ins` and click `Go`. Uncheck all add-ins to disable them. - Restart the application. \`\` `text title="Expected output" If an add-in was causing the problem, disabling it should stop the restarts. `\`\`

![A person navigating the repair options for Microsoft 365 on their laptop.](https://tse1.mm.bing.net/th?q=person%20repairing%20Microsoft%20365%20installation%20on%20laptop&w=624&h=352&c=7)

## How can I verify if the issue is resolved?

To check if the restarts have stopped, [use Microsoft 365 for](https://todayfixtech.com/backup-data-microsoft-365/) a few hours. If you can work without interruption and the application remains stable, it’s likely the issue has been resolved. Additionally, monitor for any prompts to restart after updates; if they don't appear, the problem may be fixed.

## Are there preventative measures I can take?

To avoid future restarts, consider the following:

- **Regular Updates**: Ensure Microsoft 365 is updated regularly. Check for updates manually by going to `File` \> `Account` \> `Update Options` \> `Update Now`.
- **System Health Monitoring**: Use system monitoring tools to ensure your computer is running optimally. Check for disk errors or performance issues that could affect application stability.
- **Limit Add-Ins**: Only enable add-ins that you need for your workflow to minimize potential conflicts.

## When should I contact support?

If you have tried the immediate fixes and the issue persists, it may be time to contact Microsoft Support. This is especially true if you are experiencing other symptoms, such as error messages or significant performance issues. If your organization has an IT department, they may also be able to provide assistance.

## Conclusion

If Microsoft 365 continues to restart after trying the suggested fixes, consider reaching out for further assistance. Keeping your software updated and monitoring your system's health are effective practices to minimize disruptions in the future.