DTP file extension is for PageMagic, Publish-It!, or Publisher3 Publication file
Similar to DTP
.GP - Gofer Project0 - Compressed harddisk data DoubleSpace
000 - Common filename extension GEOS
000 - Compressed harddisk data DoubleSpace
001 - Fax Hayes JT FAX many
075 - 75x75 dpi display font Ventura Publisher
085 - 85x85 dpi display font Ventura Publisher
View all in File Extensions