If you're not a subscriber, your first notification and recovery is free. See available plans. Click the link in the notification or in the email, or go to the OneDrive website, and we'll walk you …

When Office app closes unexpectedly before you save your most recent changes, Document Recovery automatically opens the next time you open the Office app to help you get your file …

You cannot open a workbook or document that has been password protected in the Windows-based version of Excel or Word if the password is longer than fifteen characters. If you want to …

To recover as much of the workbook data as possible, pick Repair. If Repair isn’t able to recover your data, pick Extract Data to extract values and formulas from the workbook. If neither …

How to protect an Excel file using a password to prevent unwanted access to your data.

Oct 14, 2025 · If you ever need to recover a file or folder, you can browse through the different versions saved by File History and restore the one you need. It's a simple yet powerful tool …

Encryption is the process of converting data into a code to prevent unauthorized access. In Windows, this can be achieved using built-in tools that allow you to encrypt files and folders, …

If you're concerned about people in your organization losing access to password-protected Microsoft 365 files, consider implementing the DocRecrypt tool. Note that DocRecrypt can only …

What's a BitLocker recovery key? A BitLocker recovery key is a unique 48-digit numerical password that can be used to unlock an encrypted drive.

When you open a workbook that has been corrupted, Excel automatically starts File Recovery mode and attempts to reopen and simultaneously repair the workbook.