The File Extensions Database

.SFI File Extension

  • Developer by:
  • Category: Encoded Files

What is an .SFI file?

.SFI is SafeFolder Encrypted File

An SFI file is an encrypted file created by SafeFolder, an application used to encrypt sensitive files. It contains a file secured with the SFI encryption format, which includes digital rights management (DRM) and identity management functionality.

To secure your confidential files with SFI encryption, simply drag and drop them onto the SafeFolder app.

NOTE: As of 2016, is no longer developed or maintained.

How to solve problems with SFI files

  • Associate the SFI file extension with the correct application. On :
    Windows: Right click on any SFI file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.SFI files". Mac: Right click (or Ctrl-click) the SFI 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 .SFI is SafeFolder Encrypted File. Because only the current version supports the latest SFI file format. Search, therefore, e.g. on the manufacturer website after an available .SFI is SafeFolder Encrypted File update.
  • To make sure that your SFI file is not corrupted or virus-infected, get the file again and scan it with antivirus software.