Microsoft Stop working, cannot recover

Hello Henry Knoll Jr,

I’m really sorry you’re experiencing this, I understand how stressful it feels when Microsoft 365 suddenly stops working and your files seem stuck or unresponsive.

From what you described, this situation usually happens when Excel crashes or Microsoft 365 becomes unstable, and at the same time OneDrive cannot sync properly. Because of that:

• AutoRecover files may exist but won’t open correctly
• OneDrive files may show but not respond

It can feel like everything is lost, but in most cases, your data is still there — just not being accessed properly. So, the safest approach is protecting your files first, then fix the system step by step

Step 1: Protect your files (most important)

Before doing any fixes, let’s make sure nothing gets overwritten.

1. Click the OneDrive cloud icon (bottom right of your screen)
2. Select Help & Settings > Pause syncing

If you can open File Explorer:

3. Copy your important files from OneDrive to another folder (for example: C:\Backup_Today) 

And for now, try not to keep opening the same broken file multiple times. 

Step 2: Try to recover your Excel file

Open Excel and check for recovery options:

If you see “Document Recovery” panel:

1. Open the latest version shown
2. Click Save As immediately
3. Save it with a new name

If you don’t see it: 

1. Go to File > Info 
2. Click Manage Workbook / Manage Document
3. Select:

Recover Unsaved Workbooks, or

Any file labeled “when I closed without saving”

4. Open it and Save As

Step 3: Check your files on OneDrive website

 Even if your computer cannot open files, OneDrive online often still has a working version.

1. Go to: https://www.microsoft.com/microsoft-365/onedrive/online-cloud-storage
2. Sign in 
3. Try:

• Searching for your file
• Checking the Recycle Bin
• Making sure you’re using the correct account

If you find your file, download a copy to your computer. 

Step 4: Restore OneDrive (if many files are affected)

If multiple files are not working:

1. Open OneDrive on the web https://www.microsoft.com/microsoft-365/onedrive/online-cloud-storage
2. Sign in
3. Go to Settings > Options > Restore your OneDrive
4. Choose a time (for example: yesterday)
5. Start the restore

This can roll everything back to a working state.

Step 5: Fix OneDrive not working

1. Press Windows + R
2. Type: wsreset.exe > Enter
3. Press Windows + R again 
4. Type: %localappdata%\Microsoft\OneDrive\onedrive.exe /reset 
5. Open OneDrive again from the Start menu

Step 6: Fix Excel / Microsoft 365 crashing

Try Safe Mode:

1. Press Windows + R
2. Type: excel /safe
3. Press Enter

If Excel works here, the issue may be caused by add-ins.

Repair Microsoft 365:

1. Right-click Start > Installed apps / Apps & features
2. Find Microsoft 365
3. Click Modify
4. Choose: Quick Repair

If needed, run Online Repair: https://support.microsoft.com/en-us/office/repair-an-office-application-7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b

I hope this will help with your situation. Please feel free to reach back if you have further update or more questions.

Best Regards,

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Follow these steps to get Microsoft 365 and files working again and try to recover documents:

1. Reopen the affected Office apps (Word, Excel, PowerPoint)

• After an unexpected shutdown, start the app again.
• The Document Recovery pane should open automatically.
• In Available Files, select each entry to open it and check the contents.
• Keep and save the version with the most recent date/time if it has the needed changes.
• After saving what is needed, close the Document Recovery pane.

2. Use AutoRecover/Unsaved file recovery

• In PowerPoint (similar flow in other apps where available):
  1. Click File > Home.
  2. Click Recover Unsaved Presentations at the bottom.
  3. Open any listed file, then save it to a known folder.
• To find the AutoRecover folder directly for PowerPoint on Windows:
  1. In PowerPoint, go to File > Options > Save.
  2. Check the AutoRecover File Location path.
  3. In File Explorer, browse to that path (by default: C:\Users\<username>\AppData\Roaming\Microsoft\PowerPoint).
  4. Open any recent AutoRecover files and save them normally.

3. If a file is corrupted and will not open

• Use Open and Repair:
  1. In Word, Excel, or PowerPoint, click File > Open > Browse.
  2. Navigate to the folder where the file is stored.
  3. Select the file, click the arrow next to Open, then choose Open and Repair.

4. If OneDrive cannot be accessed

• Try opening files directly from the local AutoRecover locations and Document Recovery as above.
• If files were stored in OneDrive and the app crashed, AutoRecover or AutoSave copies may still be available when the Office apps are reopened.

5. Reduce data loss risk going forward

• Store working files on OneDrive or SharePoint and enable AutoSave (for Microsoft 365 subscribers). This keeps changes continuously saved so crashes rely less on AutoRecover.
• Optionally adjust how often AutoRecover saves (for example, in PowerPoint: File > Options > Save > change Save AutoRecover information every x minutes).

If the Document Recovery pane does not appear and there are no AutoRecover files or OneDrive access, there may be no native way to restore unsaved work.

References:

• Recover your Microsoft 365 files
• Recover your Word files and documents
• Recover your PowerPoint files
• Recover files in Office for Mac
• Open a document after a file corruption error