Thank you for your answer.
Really? I tried to export it from excel with tab delimited. Strange.
I added the .zip with the four excel files. The most important one would be the Greenlandic_English one. Could you, or someone, convert that into a tab .txt format and I can try again to convert it into a useable dictionary? Hopefully it'll work then. (I know the file has some entries that won't be readable because they are inconsistenly formatted, but that's fine. At least some are useable.)
The problem though is that Mobireader Creator doesn't have the language code for Greenlandic (Kalaallisut). I honestly don't even wonder. I always took English (Canada) (It's the nearest to Greenland ^^).
I really appreciate your help. Thanks a lot!