Open 7z file

7z file is a compressed archive file created by 7-zip software. It uses lzma compression method by default, which usually has higher compression ratio than other compression methods. 7z file also supports strong AES encryption. 7z archive is similar to other archive files, such as zip and rar, but the file size is generally smaller than the file created by other compression software.

To open 7z archive, please follow the steps,

• Run PowerISO.

• Click the "Open" button on toolbar or choose "File > Open" menu.

  

• An "Open file" dialog will popup. Navigate to the folder containing the 7z file, select the file, then click "Open" button.

• If the 7z archive is encrypted, PowerISO may prompt you to enter the password to open the file. Enter the correct password, then click "OK".

  

• PowerISO will open the 7z file, and list all files and folders in it. You can then browse and view contents in the 7z archive. If there is a '*' at the end of  the file name, it means that the file is encrypted.

  

• If you want to extract files in the 7z file, please select the files you want t extract, then click the "Extract" button on toolbar to open "Extract 7z file" dialog. If no file is selected, all files in the 7z archive will be extracted.

  

• Choose the destination directory for extraction. If you want to extract all files, you should select "All files" option. Otherwise, only selected files will be extracted.

  

• Click the "OK" button to start extracting 7z archive. PowerISO will show the progress information during extraction. After the operation complete, you can find the extracted files in destination folder.