Fix the "Something Went Wrong" Error in Microsoft Office

Quick fixes to try first

1. Restart the PC. Save your work, close everything, and do a full restart (not just sign out). This clears locked files and stale memory that block Office from launching cleanly.
2. Launch in Safe Mode. Hold Ctrl while double-clicking the Office app icon, then click Yes when it asks to start in Safe Mode. If the app opens, an add-in is your culprit.

If Office opens fine in Safe Mode, go to File > Options > Add-ins, set "Manage" to COM Add-ins, click Go, and uncheck them all. Re-enable them one at a time, restarting between each, until the bad one reveals itself.

Repair your Office installation

This is the highest-success fix and it almost never deletes your files or settings. Microsoft offers two repair modes — try the Quick one first.

1. Open Control Panel > Programs and Features (or Settings > Apps > Installed apps).
2. Select your Microsoft Office or Microsoft 365 entry and click Change.
3. Choose Quick Repair and click Repair. It runs offline in a couple of minutes.
4. If the error survives, repeat and choose Online Repair. This reinstalls Office components and takes longer but is far more thorough.

Update Windows and Office

If a known bug is the cause, patches already exist. Cover both layers:

1. Windows: Settings > Update & Security > Windows Update > Check for updates. Install everything and restart.
2. Office: Open any Office app > File > Account > Update Options > Update Now.

Rule out antivirus conflicts

Aggressive security suites sometimes block Office executables outright. To test the theory, temporarily disable your third-party antivirus and try launching Office. If it works, the antivirus is the problem — but don't leave protection off. Instead, add exclusions:

• Add winword.exe, excel.exe, and powerpnt.exe to your antivirus exclusion list.
• Exclude the whole C:\Program Files\Microsoft Office\ folder.

Warning: re-enable your antivirus immediately after testing. Running Windows unprotected, even for ten minutes, is a real risk if you're online.

Last resort: clean reinstall

If repair, updates, and exclusions all fail, do a clean reinstall. Uninstall every Office program from Programs and Features, restart, then download a fresh copy from your Microsoft 365 account. For stubborn cases, Microsoft's Support and Recovery Assistant can fully strip leftover Office files that a normal uninstall misses.

Comparison: which fix for which symptom

Run Office diagnostics

Microsoft ships a diagnostic that scans your installation and auto-repairs what it can find. It's worth a run before the heavier steps:

• Inside any working Office app, go to File > Help > Run Diagnostics if your version offers it.
• Or download and run the Microsoft Support and Recovery Assistant (SaRA), which has a dedicated Office scenario that detects and fixes common launch failures automatically.

SaRA is the more thorough of the two and is the same tool Microsoft support staff often reach for, so don't skip it if the built-in diagnostic comes up empty.

What to do when nothing opens at all

If every Office app throws the error instantly and you can't even reach the menus, you're locked out of the in-app fixes. Work from outside the apps:

1. Open Programs and Features and run an Online Repair — you don't need Office open to do this.
2. If repair won't run, check that the Click-to-Run service is running in services.msc. Office relies on it, and a stopped service produces exactly this kind of blanket failure.
3. As a deeper reset, sign out of your Microsoft account in Windows, then sign back in to refresh the Office license token.

Key takeaway: an error that hits every app at once is almost never an add-in — that points to the install, the Click-to-Run service, or antivirus. Reserve the add-in hunt for cases where only one app misbehaves.

Common mistakes that waste time

• Reinstalling first. A full reinstall is the slowest fix and rarely necessary. Quick Repair and Safe Mode solve most cases in minutes.
• Leaving antivirus disabled. Turning it off is a test, not a solution. Re-enable it and add exclusions instead.
• Skipping the restart. Locked files from a crashed Office session linger until a full reboot. Don't troubleshoot on top of a stale session.
• Ignoring updates. If the error appeared after a Windows update, the fix may simply be the next Office patch. Check both update channels before anything drastic.

Decoding the variations of this error

"Something went wrong" rarely travels alone — Microsoft pairs it with a number that narrows the cause considerably. Knowing which one you're staring at saves a lot of trial and error:

If your error carries one of these numbers, jump to its row first instead of working the whole list. Why this matters: the code is Microsoft telling you where to look — ignoring it means troubleshooting blind.

When the problem is your Windows user profile

Occasionally the Office files are fine and your Windows user profile is the corrupted piece. The tell is that Office works for a different user account on the same PC. To confirm and fix:

1. Create a new local user account with administrator rights via Settings > Accounts.
2. Sign in to it and launch an Office app.
3. If Office opens cleanly there, your original profile is damaged — migrate your files to the new account, or repair the profile.

This is a niche cause, but when the usual fixes all fail and a second account works perfectly, it's almost always the answer.

How to keep it from coming back

Once you're back in, a little maintenance prevents a repeat. Keep Office set to update automatically so known bugs get patched. Be selective about add-ins — every third-party plugin is a potential crash source, so remove ones you don't actually use. And keep your antivirus exclusions for the Office folder in place so a future definition update doesn't suddenly quarantine a core executable again.

Work top to bottom and you'll resolve the vast majority of "Something went wrong" cases without losing a single document.