.sig file: how to open it on Windows
4 Windows apps register the .sig extension. Install one of them to open the file with a double-click.
About the format
- Format
- Detached OpenPGP signature
- MIME type
- application/pgp-signature
- PRONOM identifier
- fmt/883, fmt/1215, fmt/1300, fmt/1302
Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).
- Gpg4win
A secure solution for file and email encryption.
- proCertum SmartSign SimplySign Desktop
proCertum SmartSign for creating and verifying electronic signatures + SimplySign Desktop for emulating a cryptographic card
- Gpg4win (Beta)
A secure solution for file and email encryption.
- Sigillum Sign
Application for signing and verifying electronic signatures.
Related guide: Change the default app for a file type in Windows