How to extract 7z files in Linux

7z archives often arrive as backups, vendor bundles, and compressed handoffs where the stored directory layout matters. Extracting them on Linux is safest when the archive is previewed first, tested for readability, and unpacked into a dedicated directory.

The 7z command uses short action letters for archive work. The l action lists stored paths, t tests whether the archive can be read, and x extracts files with their archived directory paths intact. The -o switch selects the destination directory and is written directly before the path, such as -o./restore.

Current Ubuntu and Debian releases provide the 7z command through the 7zip package, while older distributions may still use p7zip-full or another package name. A .7z archive may contain a top-level folder or loose files, encrypted archives prompt for a password during listing, testing, or extraction, and name collisions can prompt before existing files are overwritten.

1. Install the package that provides 7z when the command is missing.

   $ sudo apt install 7zip

   Run sudo apt update first if the package index is stale. On older releases, the package may be named p7zip-full; on Fedora, install p7zip and p7zip-plugins.

2. Confirm that the 7z command is available.

   $ command -v 7z
   /usr/bin/7z

3. Change to the directory that contains the .7z archive.

   $ cd /tmp/restore-demo

   Replace /tmp/restore-demo with the path that contains the archive to extract.

4. List the archive contents before extracting anything.

   $ 7z l project-backup.7z
   
   7-Zip 26.00 (arm64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-02-12
    64-bit arm_v:8-A locale=C.UTF-8 Threads:8 OPEN_MAX:1048576, ASM
   
   Scanning the drive for archives:
   1 file, 252 bytes (1 KiB)
   
   Listing archive: project-backup.7z
   
   --
   Path = project-backup.7z
   Type = 7z
   Physical Size = 252
   Headers Size = 230
   Method = LZMA2:12
   Solid = +
   Blocks = 1
   
      Date      Time    Attr         Size   Compressed  Name
   ------------------- ----- ------------ ------------  ------------------------
   2026-06-13 03:27:18 D....            0            0  project-backup
   2026-06-13 03:27:18 D....            0            0  project-backup/reports
   2026-06-13 03:27:18 ....A            6           22  project-backup/alpha.txt
   2026-06-13 03:27:18 ....A            5               project-backup/beta.log
   2026-06-13 03:27:18 ....A            7               project-backup/reports/report.txt
   ------------------- ----- ------------ ------------  ------------------------
   2026-06-13 03:27:18                 18           22  3 files, 2 folders

   The l action shows whether the archive already contains a top-level directory, which helps avoid scattering restored files into the current path.

5. Test the archive before writing files to disk.

   $ 7z t project-backup.7z
   
   7-Zip 26.00 (arm64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-02-12
    64-bit arm_v:8-A locale=C.UTF-8 Threads:8 OPEN_MAX:1048576, ASM
   
   Scanning the drive for archives:
   1 file, 252 bytes (1 KiB)
   
   Testing archive: project-backup.7z
   --
   Path = project-backup.7z
   Type = 7z
   Physical Size = 252
   Headers Size = 230
   Method = LZMA2:12
   Solid = +
   Blocks = 1
   
   Everything is Ok
   
   Folders: 2
   Files: 3
   Size:       18
   Compressed: 252

   Everything is Ok means 7z could read the archive data. Password-protected archives prompt for the password when testing encrypted contents.

6. Create a clean destination directory.

   $ mkdir -p restore

   Extracting into a dedicated directory keeps restored files separate from unrelated files and makes overwrite prompts easier to interpret.

7. Extract the archive into the destination directory while preserving stored paths.

   $ 7z x project-backup.7z -o./restore
   
   7-Zip 26.00 (arm64) : Copyright (c) 1999-2026 Igor Pavlov : 2026-02-12
    64-bit arm_v:8-A locale=C.UTF-8 Threads:8 OPEN_MAX:1048576, ASM
   
   Scanning the drive for archives:
   1 file, 252 bytes (1 KiB)
   
   Extracting archive: project-backup.7z
   --
   Path = project-backup.7z
   Type = 7z
   Physical Size = 252
   Headers Size = 230
   Method = LZMA2:12
   Solid = +
   Blocks = 1
   
   Everything is Ok
   
   Folders: 2
   Files: 3
   Size:       18
   Compressed: 252

   The x action preserves archived paths. Use e only when every file should be flattened into one directory. Add -aos to skip existing files or -aoa to overwrite existing files without prompting.

8. Verify that the expected files were restored.

   $ find restore -maxdepth 3 -print
   restore
   restore/project-backup
   restore/project-backup/reports
   restore/project-backup/reports/report.txt
   restore/project-backup/beta.log
   restore/project-backup/alpha.txt

   A final directory listing confirms that the extraction landed under the intended destination before the restored content is moved, edited, or deployed.