The File Extensions Database


.FYI File Extension

  • Developer by: Flow-Cal, Inc.
  • Category: Various data Files

What is an .FYI file?

.FYI is FLOWCAL Desktop data

The fyi file extension is related to FLOWCAL Desktop, a gas and liquid measurement software for Microsoft Windows operating system.

The fyi file stores various data used for internal purposes of the FLOWCAL Desktop.


How to open:

The fyi files are used for internal purposes of FLOWCAL Desktop.

How to convert:

As far as we know, this .fyi file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to solve problems with FYI files

  • Associate the FYI file extension with the correct application. On :
    Windows: Right click on any FYI file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.FYI files". Mac: Right click (or Ctrl-click) the FYI file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .FYI is FLOWCAL Desktop data. Because only the current version supports the latest FYI file format. Search, therefore, e.g. on the Flow-Cal, Inc. manufacturer website after an available .FYI is FLOWCAL Desktop data update.
  • To make sure that your FYI file is not corrupted or virus-infected, get the file again and scan it with antivirus software.