However, marking a spreadsheet as final does not provide any additional password protection. Mark as Final: Marks the file as complete, which informs other users of the spreadsheet that they should not make any changes.Microsoft Excel has a few extra security features, too: Office 2016-2019 uses the AES-256 encryption algorithm, which is unbreakable within a reasonable timeframe using existing technology. Microsoft Office 2007-2013 saw an upgraded encryption algorithm, switching to the much stronger AES-128 algorithm. The older encryption algorithm has numerous vulnerabilities, which makes cracking the password on an older Excel document incredibly easy. Microsoft Office 97-2003 used a very poor encryption standard, known as RC4. New to Excel? Check out our Microsoft Excel basics tutorial to learn the ropes – fast! How Secure Is Microsoft Office Password Protection? They could save you countless hours by recovering the open password without damaging your file.Īnd remember, it’s always wise to make a full backup of your Excel file before attempting to make any changes that could result in data loss.Next time you attempt to open the Excel spreadsheet, you’ll meet the password entry form. However, if you have forgotten the password to your precious file, make sure to try the services shown in this tutorial. Some methods work better than others, and some may not work on Excel from Microsoft 365 subscription. I hope that after reading this guide, you were able to remove the password from your Excel file. If everything else fails, below is a list of additional software you can download and install to recover or remove passwords in Excel spreadsheets: Once the password has been removed, you will see a “Remove Finished” message. Click the Start button to remove the Excel password from the workbook.Ĥ. Click the Add File button to import the password-protected Excel file.ģ. Open ISeePassword Dr.Excel from your computer, and click the Remove Workbook, Worksheet Password option from the home screen.Ģ. Remove the password from the Excel documentġ. Click Copy, and you should be able to open the Excel document with this password. Click Start to recover the Excel password.Ī new pop-up window will be displayed once the password is retrieved.ĥ. Click the Settings button on the right side to set up the proper settings and click Ok.Ĥ. This method allows you to set several parameters to shorten the password recovery time.ģ. Select Brute force with Mask Attack as the attack type.

Choose the type of attack from the given options: Dictionary Attack, Brute-Force with Mask Attack, and Brute-Force. Click the Add File button to import the password-protected Excel spreadsheet. Open ISeePassword Dr.Excel from your computer, and click the Recover Open Password from the Excel option on the home screen.Ģ.

How to make excel password protected