.sig Detached OpenPGP signature
Other formats
| MIME type | application/pgp-signature |
|---|---|
| Description | Detached OpenPGP signature |
| Category | Other formats |
| Other extensions | .asc, .gpg, .pgp |
Frequently asked questions
What is a .sig file?
A .sig file is a “Detached OpenPGP signature” (MIME type application/pgp-signature).
How do I open a .sig file?
With the program that created the file. On Linux, xdg-mime query default with the MIME type shows the default application, and xdg-open opens the file with it.
How can you tell a genuine .sig file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.sig shows the guessed type.
Which MIME type belongs to .sig?
The MIME type is application/pgp-signature. In the Apache web server: AddType application/pgp-signature .sig; in nginx: types { application/pgp-signature sig; }.