How to Open Password Protected XLSX File without Password?

Need to open a password-protected .xlsx without the password? You can try safe, legal steps: contact the file owner or use a reputable password-recovery tool (like SysTools Excel Password Recovery Tool) which attempts brute-force, mask, or dictionary methods tailored to your hints. For files protected with simple edit locks there are free workarounds (VBA or changing file format), but for strong “password to open” protection the reliable route is a recovery tool — and always ensure you have the legal right to access the file before attempting recovery.

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1. HOW TO OPEN PASSWORD PROTECTED XLSX FILE WITHOUT PASSWORD?
2. Powerful Two Recovery Modes Brute Force Attack Mask Attack Free Demo: https://www.systoolsgroup.com/excel/password-recovery/
3. SysTools Excel Password Recovery Tool One of the Best Software provides 100% guaranty to recover accurate and correct password of XLSX and XLS files. Free Demo: https://www.systoolsgroup.com/excel/password-recovery/
4. Brute Force Attack tries every possible character combination until it finds the password — reliable but can take very long for complex passwords. Free Demo: https://www.systoolsgroup.com/excel/password-recovery/ Mask Attack you give a pattern or known parts (prefix/suffix, length, char types) so the tool only tries matching combos — much faster when your hint is correct.
5. Free Demo Version SysTools Excel Password Recovery Tool comes with free demo version which allows to recover first two characters of password. Free Demo: https://www.systoolsgroup.com/excel/password-recovery/