When you lose or forget an Excel workbook password, your recovery options depend heavily on whether the file is fully encrypted (Password to Open) or simply structure-protected (Password to Modify/Edit). Official resources like Microsoft Support do not provide a direct bypass for full file encryption to ensure data security. However, several common troubleshooting steps and workarounds can help you regain access to your data. The 4 Common Fixes for Lost Excel Passwords 1. Restore an Unprotected Previous Version
If your workbook is stored in a cloud environment or has automatic saving enabled, you can often revert to an older, unprotected version of the file.
Cloud Storage: Check the version history on OneDrive or SharePoint.
Excel Built-in Recovery: Navigate to File > Info > Manage Workbook and select Recover Unsaved Workbooks. 2. The ZIP File and XML Modification Trick
This popular workaround works effectively for removing workbook structure protection or sheet protection, though it does not bypass full AES-256 file encryption.
Backup: Create a copy of your .xlsx file first to prevent corruption. Extension: Change the file extension from .xlsx to .zip.
Navigate: Open the ZIP folder and go to xl/workbook.xml (for workbook locks) or xl/worksheets/ (for sheet locks).
Edit: Open the target XML file in a text editor like Notepad, search for the or tag, and delete the entire tag.
Revert: Save the XML file inside the archive, and change the file extension back to .xlsx. 3. Upload to Google Sheets
If the file restricts editing or sheet modifications, uploading the workbook to an alternative cloud platform can occasionally strip the restriction. Upload: Drag the locked Excel file into Google Drive. Open: Open the document as a Google Sheet.
Export: Click File > Download > Microsoft Excel (.xlsx). The downloaded file will frequently have its formatting and structure protections removed. 4. Deploy a VBA Password Breaker Script
For older legacy files or specific worksheet-level blocks, a Visual Basic for Applications (VBA) macro loop can sometimes force the protection to drop.
Developer Tab: Open the workbook, press ALT + F11 to launch the VBA editor, and insert a new module.
Code: Paste a standard community-sourced PasswordBreaker() loop script into the module.
Run: Execute the macro (F5) to allow it to test character combinations until the protection clears.
For a visual step-by-step guide on how to safely clear sheet-level restrictions, you can watch this tutorial: