Check your email spam folder. Legitimate vendors provide a "Lost key" recovery page using your purchase email.
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If the file is older (Excel 97-2003 .xls), the encryption is weak. Use or John the Ripper – open-source tools that can crack .xls in seconds. Use or John the Ripper – open-source tools that can crack
Excel Password Recovery Master is a professional tool designed to recover or remove passwords from Excel files (.xls, .xlsx, .xlsm, .xltx, .xltm). This software uses advanced algorithms to crack the password, ensuring that you regain access to your file without any data loss. With its user-friendly interface, you can easily recover passwords from Excel files of any size or complexity.
For older Excel versions (97–2010), you can use a "Password Breaker" macro: Press to open the macro editor.