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How to open .GRP file extension?

File Type : Duke Nukem 3D Archive
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .GRP 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 .GRP file extension?

.GRP file extension is a known file type. This section of tells you everything you need to know about this extension.
File created by SmarterMail, an email server application used to host Web email access; stores one day's worth of email messages for a mailbox folder; used for storing a database of email messages for a particular user. GRP files are created with filenames that reflect the date of the email messages. For example, the file 2011-01-01.grp contains all email message data for January 1, 2011 for a particular mailbox folder. GRP files are saved with a corresponding ".cfg" file, which has the list of all email messages and the GRP file where each message is located.
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 .GRP files:

Microsoft Windows:
  • SmarterTools SmarterMail