LanguageSQI
Squish message base index
File type: Various data file
Files with sqi file extension can be found as message base index files from old Squish/Fidonet.
What is sqi file?
File type category:
Various data file
Date updated: March 28, 2018
The sqi file extension was used for message base index files in old Squish program.
Squish is both the name of a FidoNet mail tossing application originally designed for DOS and OS/2, and the name of the primary mail storage format in which this application stores FidoNet and other local BBS messages.
How to open sqi file?
You cannot access these files manually.
How to convert sqi file?
Probably cannot be converted to anything else.