Oct 14, 2025 · If a problem doesn't reappear when you start in safe mode, you can eliminate the default settings, basic device drivers, and services as possible causes. Other startup settings include …

Type Outlook.exe /safe, and click OK. Tip: If Windows can't find Outlook.exe /safe, try using the full path to Outlook (for example C:\Program Files\Microsoft Office\OfficeXX, where XX is your version number).

When you run Excel in safe mode, it bypasses functionality and settings such as alternative startup location, changed toolbars, startup folders used by Excel, Excel add-ins, and most COM add-ins.

Automated safe mode is triggered if a Microsoft Office application could not start due to specific problems, such as an add-in or extension that won't start or a corrupted resource, file, registry, or …

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup app or service is causing the problem by systematically turning them on or …

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience. To increase security, it allows only apps from …

If Outlook stops responding at a screen that says "Processing," you can close Outlook, start it in safe mode, then close it and open it normally to fix the problem.

Automated safe mode is triggered if a Microsoft Office application could not start due to specific problems, such as an add-in or extension that won't start or a corrupted resource, file, registry, or …