The GRP file format is used by SmartMail, an email server program.
The SmartMail program can host email accounts, storing email messages for a particular user.
.grp File Extension
Developer:
SmarterTools
Filkategori:
Hvad er grp-filer & hvordan åbner man dem - Smartermail Group File
Filkategori:
Udvikler:
SmarterTools