File Extension Library

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.SQI File Extension

  • Category: Various data Files

What are .SQI files and how to open them?

Can't open .SQI file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .SQI file.

What is a .SQI file extension?

.SQI file extension has been classified as Various data Files.

.SQI is Squish message base index

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:

You cannot access these files manually.

How to convert:

Probably cannot be converted to anything else.

How to fix problems with .SQI files

  1. You need to update the application that you normally use to open .SQI files. Only the latest version of the software supports the current .SQI file format
  2. You need to check the .SQI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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