Archives • MIME: application/x-tar

.TAR File Extension

TAR (Tape Archive) is a UNIX standard archive format that consolidates multiple files, file metadata, and directory trees into a single uncompressed stream.

Category Archives
MIME Type application/x-tar
Magic Bytes 75 73 74 61 72
Developer AT&T Bell Laboratories / IEEE POSIX
Typical Size 1 MB - 50 MB
Security Risk Low Risk

Format Architecture & Technical Specifications

Standard Unix POSIX tarball packaging multiple files, directory trees, file permissions, and symbolic links. Files with the .TAR extension are categorized under Archives and are widely utilized in modern computing environments for storing, rendering, and exchanging structured data. By verifying the header signature (75 73 74 61 72) using forensic byte inspection tools, users can authenticate file integrity and rule out disguised executable payloads.

How to Open .TAR Files

1 Open .TAR on Windows 11 & 10

Locate the .TAR file in File Explorer. Right-click the file, select "Open with", and choose 7-Zip. To set this application as the permanent default, check "Always use this app to open .TAR files" and click OK.

2 Open .TAR on macOS (Apple Silicon & Intel)

In Finder, hold Control and click the .TAR file, then hover over "Open With" to select PeaZip or your preferred desktop application. To associate all .TAR files, press Command+I (Get Info), expand "Open with", and click "Change All".

3 Open .TAR on Linux & Unix Desktops

Open your file manager (Nautilus, Dolphin, or Thunar), right-click the .TAR file, and choose "Open With Other Application". Select 7-Zip from the list or launch via terminal using native viewer commands.

4 Inspect .TAR in AnyFileX In-Browser Viewer

Drag and drop the .TAR file into the AnyFileX File Identifier to inspect its internal binary structure, confirm header integrity, and preview content without installing third-party utilities.

Compatible Software Programs

7-Zip

windows, mac, linux • Free

PeaZip

windows, mac, linux • Free

GNU tar

windows, mac, linux • Free

macOS Terminal

windows, mac, linux • Free

WinZip

windows, mac, linux • Free

Security Considerations & Verification

Uncompressed TAR files are often combined with Gzip (.tar.gz) or Bzip2 (.tar.bz2) Files ending in .TAR should always be inspected for valid magic bytes to verify they match legitimate Archives specifications.

  • Inspect File Header: Use the AnyFileX Magic Byte Detector to verify that the first bytes match 75 73 74 61 72.
  • Prevent Extension Spoofing: Ensure "File name extensions" is checked in your OS file manager to detect disguised double extensions (e.g., file.TAR.exe).
  • Verify Checksum Integrity: Calculate SHA-256 or MD5 hashes against source downloads using our online Checksum Verifier.
  • Inspect Container Structure: If TAR files fail to launch, verify whether the file was truncated during download or corrupted in transit.

Frequently Asked Questions

What is a .TAR file?

A .TAR file is a TAR File Format associated with Archives. TAR (Tape Archive) is a UNIX standard archive format that consolidates multiple files, file metadata, and directory trees into a single uncompressed stream.

How do I open a .TAR file on Windows or Mac?

You can open .TAR files using 7-Zip, PeaZip, GNU tar, macOS Terminal, WinZip. If you do not have native software installed, you can use AnyFileX's free File Identifier or convert .TAR to a standard format in your browser.

Is a .TAR file safe to open?

This format carries a safety rating of Low Risk. Uncompressed TAR files are often combined with Gzip (.tar.gz) or Bzip2 (.tar.bz2) Files ending in .TAR should always be inspected for valid magic bytes to verify they match legitimate Archives specifications.

Can I convert a .TAR file to other formats?

Yes! .TAR can be converted to formats such as .ZIP, .TGZ directly in your web browser.

What should I do if a .TAR file is corrupted or won't open?

If your .TAR file displays an invalid header or signature error, check its magic bytes hex header (75 73 74 61 72) using AnyFileX's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open a .TAR file without installing software?

You can inspect and view .TAR files directly in your web browser using AnyFileX tools such as the File Identifier and Hex Viewer, which process files 100% locally in browser memory without server uploads.

Can a .TAR file contain viruses or malware?

Files with the .TAR extension are rated as Low Risk. While legitimate files are standard, attackers often disguise dangerous executables by renaming them. Always verify magic bytes before running unknown files.

How can I convert a .TAR file to another format?

You can convert .TAR files to standard formats using AnyFileX in-browser converters or compatible desktop software like 7-Zip. In-browser conversion ensures 100% privacy with zero data transfer to external servers.