Use Dux Excel password recovery software because that is good way to recovery password from excel file. This is providing you three type attacks such as- Brute Force Attack, Mask Attack, and Dictionary Attack Free demo available on software you use this demo recover first three character. dux recovers excel file password is supported all version ms excel file 97, 98, 2000, 2003, 2007, 2010, 2013, 2016 and 2019.
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https://www.duxdatarecovery.com/recover-ms-excel-password/best-excel-password-recovery-tool-to-recover-and-remove-excel-password/