.GPG

.GPG File Extension

Learn what a .gpg file is, what it is used for, which programs can open it, and how to convert or troubleshoot this file format.

Data File Extension Guide 25 Searches
.GPG
GNU Privacy Guard Encrypted File

Quick Facts

Basic information about this file format

Extension
.GPG
File Type
GNU Privacy Guard Encrypted File
Category
Data
Best first step
Use compatible software

Quick Summary

A practical overview of the .gpg file format

A GPG file is an encrypted or digitally signed file created using GNU Privacy Guard (GnuPG), which is a free, open-source implementation of the OpenPGP standard (RFC 4880). GPG files are primarily used to secure sensitive data, protect privacy, and verify the authenticity of files and communication…

File extension .GPG
File type GNU Privacy Guard Encrypted File
Category Data
Recommended action Open with a trusted compatible app

How to open a .gpg file

Start with a trusted app that supports this format

  • Check the file extension carefully and confirm that the file name really ends with .gpg.
  • Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
  • Update the application if the file was created by a newer version of the software.
  • Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.

What is a .gpg file?

File extension details and usage information

A GPG file is an encrypted or digitally signed file created using GNU Privacy Guard (GnuPG), which is a free, open-source implementation of the OpenPGP standard (RFC 4880). GPG files are primarily used to secure sensitive data, protect privacy, and verify the authenticity of files and communications. The format supports both symmetric-key cryptography (using a shared passphrase) and asymmetric-key cryptography (using public and private key pairs). When a file is encrypted with GPG, its contents are converted into an unreadable binary format that can only be decrypted by someone possessing the correct decryption key or passphrase. Additionally, GPG files can contain digital signatures to prove that a file has not been tampered with since it was signed by the sender. This file extension is widely used in software distribution, secure email communication, and data backup solutions to ensure confidentiality and integrity.

Software Compatibility

Programs that may open or work with .gpg files

Windows

Compatible applications

Gpg4win Compatible
Kleopatra Compatible
GnuPG command-line tool Compatible

macOS

Compatible applications

GPG Suite Compatible
GPGTools Compatible
MacGPG Compatible

Linux

Compatible applications

GnuPG (gpg) Compatible
Kleopatra Compatible
Seahorse Compatible

Mobile

Mobile applications

OpenKeychain (Android) Compatible
iPGMail (iOS) Compatible
PGPro (iOS) Compatible

Can .gpg files be converted?

Options for saving or exporting this file to another format

In many cases, a .gpg file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.

  • Use the original software that created the file when possible.
  • Check whether the application supports exporting to common formats.
  • Be careful with online converters when working with private, business, or sensitive files.
  • If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .gpg file.

Why can't I open a .gpg file?

Common reasons this file type may not open correctly

Wrong software

The file may require a specific program that supports the .gpg format.

Incorrect extension

The file extension may have been renamed manually, even though the actual file format is different.

Corrupted file

The file may be incomplete, damaged during download, or transferred incorrectly.

Outdated app

Your software may need to be updated before it can open newer versions of this file format.

Frequently Asked Questions

Common questions about .gpg files

To open a .gpg file, use software that supports this file format.

  • Gpg4win
  • Kleopatra
  • GnuPG command-line tool
  • GPG Suite
  • GPGTools

Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.

  1. Verify that the file extension is correct.
  2. Install or update compatible software.
  3. Try another application that supports this format.
  4. Check whether the file is corrupted, incomplete, or encrypted.

A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.

File safety tips

Use caution with unknown files

Only open files from trusted sources. Before opening a .gpg file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.