.RSA File

File extension rsa is related to digital certificates used by several programs to ensure encrypted connection to a website or server.

These files are included in some web browsers, such as Mozilla Firefox.

Files with rsa extension can be usually found as digital certificates in RSA format from OpenSSL. Typically used in web browsers.

How to open:

You can import certificates to programs that support them in order to verify them.

How to convert:

Various certificates usually are not meant to be converted to anything else.