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 To recover an excel file’s long complex password, you can use this eSoftTools Excel Password Recovery Software. You can download this  Free Excel password recovery tool software with any Windows OS version and it supports all excel versions including outdated versions. Brute Force, Dictionary Attack, and Mask Attack are its three password recovery methods that can recover passwords like - alphabetical, numerical, complex, mixed symbolic or special characters. It also has a demo version that can recover the password's first three letters for free.

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