Passper For Excel 3.6.1.2 -

Uses multi-core CPU and GPU acceleration to speed up the brute-force process.

Can instantly remove "Read Only" or worksheet protection without needing the password. Passper for Excel 3.6.1.2

Yes, it is a commercial software developed by iMyFone. It uses four methods (Dictionary, Combination, Mask, and Brute-Force attacks) to attempt to crack passwords. It is generally considered safe and effective for simple to moderately complex passwords, though no tool can guarantee 100% success against extremely long, random strings without significant time. Uses multi-core CPU and GPU acceleration to speed

Attempts to find the password required to open the workbook. Passper for Excel 3.6.1.2

It sounds like you're looking for information on , likely regarding its reliability ("solid story") or how it performs in recovering Excel passwords.