A start-up file accessed by Excel during spreadsheet loading can cause Excel to hang or slow down. To find out if this is the problem, open Excel in safe mode.

If Excel is not opening on double-click or not responding on your Windows 11/10 PC, take a look at the addons first, or else follow these suggestions to resolve the issue.

Excel safe mode, Outlook safe mode or another program's safe mode can be a good way to restart the program and change configuration settings that are causing issues.

If you receive message Excel, Word or PowerPoint couldn't start last time; Do you want to start in safe mode, then this post will help you.

Once you're ready to try Safe Mode, the next step is enabling it when you start the program. Close Outlook if it's currently open. Press the Windows button and the R key to open the Run command ...

BOSTON (WHDH) - A South Boston high school briefly entered “safe mode” Thursday as police searched the premises, turning up “nothing dangerous,” according to school officials.