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How to open .REQ file extension?

File Type : Request
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .REQ files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .REQ file extension?

.REQ file extension is a known file type. This section of tells you everything you need to know about this extension.
File used in the process of setting up a digital certificate; stores a Certificate Signing Request (CSR) which contains information that uniquely identifies the initiator of the request; sent to a trusted entity (a certificate authority) who uses the request to generate a valid digital certificate for the requester. CSRs are used in the process of public key cryptography, which is used to validate identities on the Internet.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .REQ files:

Microsoft Windows:
  • Microsoft Exchange Server 2010
  • OpenSSL
  • OpenSSL
Apple Mac OS X:
  • OpenSSL