With Filestar you get 0 different skills for working productively with Guitar Pro Score (GTP) (.gtp) files.
About .Gtp
Name
Guitar Pro Score (GTP)
Extension
.gtp
Format
Binary
Category
Audio
Developer
Arobas Music
Description
A GTP file is a Guitar Pro tablature score saved with the original .gtp extension. It holds Guitar Pro 1 to 5 data, told apart by the version text in the header, and MuseScore can import it.