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Details of the .csr file extension

The table below provides useful information about the .csr file extension. It answers questions such as:

  • What is the .csr file?
  • What program do I need to open a .csr file?
  • How can the .csr file be opened, edited or printed?
  • Where can I find the specifications for .csr?
  • Which MIME-type is associated with the .csr extension?
  • How can I convert .csr files to another format?
  • What are other, similar filename extensions to .csr?

We hope you find this page helpful and a valuable resource!

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

.csr file extension details

Certificate Signing Request

Certificate Signing Request .csr file icon
The CSR is a file containing a certificate application information, including the public key.
CSR format description not yet available
Category: Other files
Application: OpenSSL
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CSR aliases:
CSR related links:
CSR related extensions:
Certificate File

Key Database File

Other types of files may also use the .csr file extension.

.csr file extension error

The .csr file extension is often given incorrectly!

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

ssr, scr, xsr, csf, csd, cs, cr, czr, ccr, cse, cwr, csg, cst, vsr, cxr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

FLEXIT Singleshot Survey Raw Data
Bentley GEOPAK XS List Report
Microsoft Windows Screensaver
Screen Capture Image
Adobe InDesign Color Settings
Adobe Encore Color Set
Informative Graphics Content Sealed Format Document
ClearSilver Template File
CRiSP Macro File
Compact Shared Document
open .csr file

Can't open a .csr file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .csr file association, check the FAQ.

.csr file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .csr file extension, write to us!

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