File Recovery

13 articles

Showing 1–12 of 13

Troubleshooting “This file was created in a newer version of Microsoft Excel” (Compatibility Pack).

The error message "This file was created in a newer version of Microsoft Excel and cannot…

October 13, 2026 4 min read

How to fix “Upload Blocked” and “Sign in required” for OneDrive/SharePoint files.

The alerts "Upload Blocked: We couldn't verify you have the necessary permissions to upload the file"…

October 13, 2026 4 min read

Fixing “Excel found unreadable content” in .xlsm files.

The warning "Excel found unreadable content in 'filename.xlsm'. Do you want to recover the contents of…

October 13, 2026 5 min read

Handling “The file name is not valid” (Path length limits and special characters).

The error message "The file name is not valid" appears when you attempt to open, save,…

October 12, 2026 5 min read

“Sharing Violation”: Why Excel won’t let you save over an existing file.

The warning "Your changes could not be saved to 'filename.xlsx' because of a sharing violation. Try…

October 12, 2026 5 min read

“Document not saved”: Troubleshooting permission and disk space issues.

The alert "Document not saved" or "Document not completely saved" is one of Excel’s most disruptive…

October 12, 2026 5 min read

Troubleshooting AutoRecover failures: Where to find unsaved temp files.

When Microsoft Excel crashes, loses power, or closes without a save prompt, the built-in Document Recovery…

October 12, 2026 5 min read

Fixing “Errors were detected while saving ‘X’. Microsoft Excel may be able to save the file…”

The prompt "Errors were detected while saving 'X'. Microsoft Excel may be able to save the…

October 12, 2026 5 min read

“The file is locked for editing”: How to kill “Ghost” owner files (~$filename).

When Excel tells you a file is “locked for editing” by another user, or even by…

October 11, 2026 5 min read

How to recover a “Corrupt” Excel file using the XML extraction method.

When an Excel workbook will not open and displays messages like “We found a problem with…

October 11, 2026 5 min read

“Excel cannot open the file ‘X’ because the file format or extension is not valid.”

The error “Excel cannot open the file ‘filename.xlsx’ because the file format or extension is not…

June 27, 2026 5 min read

“We found a problem with some content in ‘filename.xlsx'”: Using the Open and Repair tool.

The prompt “We found a problem with some content in ‘filename.xlsx’. Do you want us to…

June 27, 2026 5 min read