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 …

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 …

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, …

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 …

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

Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the …

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 …

Describes how to use the clean boot process to troubleshoot a problem in Windows

Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Oct 14, 2025 · Windows Recovery Environment (Windows RE) is a set of tools included with Windows that can help you troubleshoot and fix common problems with your computer. If your …