It depends on which attack mode you choose and how complex your password is. Basically, mask attack is the fastest mode, while the brute-force will take longer time. For more info about password attack modes, please refer to: user guide of Passper for Excel

No. Passper for Excel supports Windows 10/8.1/8/7/XP only by far. If you are interested in MAC version, please send us an e-mail to passper.support@imyfone.com.

Based on your situation, you need to select "Remove Restrictions" option which is able to get rid of any restriction from Excel 2019/2017/2016/2013/2010/2007/2003 in seconds.

Definitely no. We want to assure you that Passper is dedicated to protecting your data privacy and security, we will never use the information you submit under our current privacy notice.

No, there is no data loss will occur during or after the password recovery or removing.

No. Our server will not keep any parts of your documents. Your Excel will be saved to local file system. Your privacy is absolutely guaranteed.