Gettext MO

Extension
.mo
Import
yes
Export
yes

A MO file is a translated, compiled and optimized po file. This file is designed to be used directly by the program which uses the translation.

Important

Localizify supports po, pot and mo file types. If you export translations in .pot format, only the terms are exported.

Documentation
GNU Web site
More about MO format
Compiled unreadable file.