How do you open an Excel XLSX file once you've forgotten the password? You can use this eSoftTools Software to recover a lost Excel password. It is very good at recovering any form of password, including alphabetic, numeric, alpha-numeric, mixed symbolic, and so on. Brute Force Attack, Mask Attack, and Dictionary Attack are the three password recovery strategies available in this tool. This tool also works with MS Access and MS Word files. It works with all xls,.xlsx,.xlsm,.xlsb,.xla,.xlam, and.xltm Excel extensions, as well as MS Excel versions 97 to 98, 2000 to 2003, 2007, 2010, 2013, 2016, and 2019.