Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .csr

Below, you can find answers to the following questions:

  • What is the .csr file?
  • Which program can create the .csr file?
  • Where can you find a description of the .csr format?
  • What can convert .csr files to a different format?
  • Which MIME-type is associated with the .csr extension?

1 extension(s) and 0 alias(es) in our database

Certificate Signing Request .csr file icon

Certificate Signing Request

The CSR is a file containing a certificate application information, including the public key.
Detailed description not available
Category: Other files
Application: OpenSSL
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Certificate File
Key Database File

Other types of files may also use the .csr file extension. If you have helpful information about .csr extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft Windows Screensaver
Screen Capture Image
Bentley GEOPAK XS List Report
Document Conversion Resource
Adobe Director Cast
CompuTrainer Chart Screen
Broderbund PrintMaster Certificate
CRiSP Macro File
OpenSCAD Constructive Solid Geometry Model

The .csr filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

scr (24), crs (16), csd (12), xsr (9), cs (9), cst (8), cer (7), csg (7), cr (7), csf (6), fsr (6), cxr (5), ssr (5), vsr (4), ccr (4)

Can't open a .csr file?

If you want to open a .csr file on your computer, you just need to have the appropriate program installed. If the .csr association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.csr

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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