WK1 file extension is for Spreadsheet
Lotus 123 version 2.x - Symphony 1.1+
Similar to WK1
.GP - Glue Geode Parameter File
.GP - Gofer
Project
0 - 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
View all in File Extensions