LostMyPassword.xls, .xlsx
Forgot Excel file password? Recovery for .xls and .xlsx
If Excel requires a password before opening your workbook, unprotecting a sheet is not the same problem. Preserve the file and first check for the password or an earlier copy.
Identify the problem
Determine whether the prompt appears before the workbook opens. Record the file extension and the Excel version if known. A workbook that opens read-only or contains locked cells should be diagnosed separately from a file you cannot open at all.
Check your own password manager and the message that delivered the workbook. Ask the author for an accessible copy or inspect an authorized backup. Microsoft states it cannot retrieve forgotten file passwords. Remembered prefixes, dates, capitalization and approximate length are useful details for a manual assessment.
File formats: .xls, .xlsx
A workbook that asks for a password before showing data; .xls and .xlsx are not enough to identify every protection version.
Practical steps
- Keep the original workbook and write down the exact opening prompt.
- Search your own password records using the project name as well as the filename.
- Check whether the sender can provide this version’s password or an accessible export.
- When a known password works, use the installed Excel version’s file-encryption controls to change it and save a copy.
How to check the result
Close and reopen the replacement in the application you actually use. Compare sheet count, dates, formulas and linked data. A CSV export may preserve values but lose workbook features.
Common mistakes and limits
Resetting a Microsoft account does not reset an independent workbook password. Renaming .xlsx to another extension is not a file-opening password recovery method. A backup that is also encrypted still needs its password.
Before requesting recovery
Keep the original file unchanged. Work on a copy, note the exact error and list any remembered words, dates or password length. Check your own saved passwords, the original email and an authorized backup before uploading.
When to stop and ask for help
If a replacement cannot be obtained, send remembered character positions, possible length and creation period for assessment. Do not send passwords for unrelated accounts.
Frequently asked questions
Does an Excel sheet-unprotect tool solve a password needed before opening?
Not by itself. The operation must match the protection type; editing restrictions and file encryption are separate problems.
When do I pay?
The recovery fee is USD $19.99 per file. We confirm success before requesting payment. Payment details appear on your request status page after recovery. We verify payment manually before releasing your password or result.
Official documentation
About this guide
Based on the official references below. Menu names vary by application, platform and version. These instructions are not a claim that every version has been tested.