Now when you try to open or extract this file it would ask you for a password. Once the compression ends a 7z archive containing your file would be created. Press OK button to start the compression process. Check the check box for Encrypt file names. Enter the Password in both the boxes and make sure that encryption method shows AES-256. This would open the Add to Archive Dialog Box. Right click on the file and select 7-Zip > Add to archive… Select the file or the folder which you want to password protect. After installation 7-zip would add a link in the Context Menu. You can read more about Advanced Encryption Standard (AES) on Wikipedia.ĭownload and install 7-Zip. If you lose your password it’s nearly impossible to decrypt those files. You won’t find a more secure encryption method than AES-256 as once you encrypt your files it’s nearly impossible to decrypt it without the password string.Įncrypting your file requires a password and even a strong encryption method like AES is of no use if you choose a weak password or don’t keep a track of your password after encrypting your files. Those files are encrypted using AES -256 bit encryption which is the most widely used and most secure encryption method. You can use 7zip to create password protected 7zip files. 7z for file encryption but it can also archive and extract files from other formats including ZIP, Gzip, bzip2, xz, tar and WIM.
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