Open your terminal and install p7zip-full . For Ubuntu/Debian, use: sudo apt install p7zip-full

To open or extract a file, you need to use a dedicated file archiver because the .7z extension signifies a highly compressed file format created by 7-Zip. Windows and macOS cannot open this format natively without third-party software.

Here is how to extract and access its contents depending on your operating system: 🪟 For Windows Users

If you are on a public computer or do not want to install software, you can use a safe browser tool like ezyZip or B1 Free Archiver . You simply upload the pftb.7z file, and the site lets you download the contents individually.

Download The Unarchiver or Keka from the Mac App Store or their official sites. Extract the file: Once installed, simply double-click the pftb.7z file.

Go to the official 7-Zip Website to download and install the program. Alternatively, you can use PeaZip . Extract the file: Locate your pftb.7z file in your file explorer. Right-click on the file. Hover over the 7-Zip option in the context menu.

Navigate to the folder containing your file and run: 7z x pftb.7z 🌐 No Software (Web Browser)

What do you expect to find inside this specific archive? How to open a .7z file - Microsoft Q&A