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  1. Windows Startup Settings - Microsoft Support

    Oct 14, 2025 · For example, a common troubleshooting option is to enable Safe Mode, which starts Windows in a limited state, where only the bare essentials services and drivers are started.

  2. Open Outlook in safe mode - Microsoft Support

    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 …

  3. How to use a "clean startup" to determine whether background …

    Describes how to start your computer in Safe mode, which uses a minimal set of drivers and startup programs so that you can determine whether a background program is interfering with …

  4. I can’t start Microsoft Outlook or receive the error “Cannot start ...

    Start Outlook in safe mode and disable add-ins How do you know you're working in safe mode? You'll see a label similar to the one below at the top of the screen. The Outlook icon on your …

  5. How to perform a clean boot in Windows - Microsoft Support

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

  6. Troubleshoot Outlook for Windows issues - Microsoft Support

    Restart new Outlook Right-click Start and select Task Manager. Select Microsoft Outlook, then End task. Check to make sure that new Outlook is closed, then close Task Manager. After new …

  7. Excel not responding, hangs, freezes or stops working

    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 …

  8. Recover Surface Duo if it won't start - Microsoft Support

    Press and release the Power button to select Recovery mode. On the screen that shows a small robot lying down, press and hold the Power button, then press and release the Volume up button.

  9. KB5042421: CrowdStrike issue impacting Windows endpoints …

    When the device restarts, continue pressing F4 and then it will log you in to safe mode. Please note, for some devices, you need to press F11 to log in through safe mode.

  10. Classic Outlook not responding, stuck at "Processing," stopped …

    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.