FSI File: What is it?
Reporter: Jay Geater | Updated: November 26, 2018
FSI File Summary
The FSI File Extension has three different file types (mostly seen as the Visual F# Signature File format) and can be opened with three distinctive software programs, with the dominant related application developed by Microsoft Corporation (Microsoft Visual Studio software). These files can be categorized as Developer Files, Settings Files, or Data Files. In the majority of cases, these files will be Developer Files.
FSI files are found on both mobile and desktop platforms and can be opened using Windows and Web operating systems. The main FSI file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.
Although there is a lot more to know about FSI files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.
Popularity
Ranking
/ 11690
Active
Mode
26
November
2018
Amended
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