The table below provides some useful information about the .crt extension. It answers questions such as:
- What is the .crt file?
- What program do I need to open a .crt file?
- Where can I find the specifications for .crt?
- How can I convert .crt file to another format?
We hope you find this page helpful and a valuable resource.
Details of extension .crt
1 extension(s) and 0 alias(es) found in database.
Problems with .crt files?
First check your registry for hidden errors!
| Extension: | .crt |
|---|---|
| Type: | Certificate File |
| Category: | Other |
| Mime type: | application/x-x509-ca-cert |
| Description: | |
| The .CRT file contains the certificate, including the identity information, public key, expiry date, and signature. | |
| [Detailed description not yet available] [Sample not yet available] | |
| Open with: | OpenSSL |
| Program name: | |
| Related links: | |
| none | |
| Aliases: | |
| none | |
| Related extensions: | |
| crl, csr, dsa, gpg, jks, kdb, p12, p7a, p7b, p7d, p7m, p7s, pem, pgp, pkcs, rsa, sst | |
Recommended software for .crt files
Cannot open .crt files on your system?
When windows gives you an error message saying that it cannot open
.crt files, this means either:
- You need to identify a program that can open the file or
- Your registry may be damaged.
RECOMMENDED:
In both cases it is strongly recommended that you
run a free scan for registry errors.









