.WKI File Extension
File TypeLotus 2 Worksheet
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a WKI file?
Spreadsheet file created by version 2 of Lotus 1-2-3; saves data in the format of rows and columns; not used anymore since Lotus 1-2-3 version 2 was released in the 1980s and the software underwent many later revisions.