A daily updated filename extension database!

SPFX file extension

The table below provides useful information about the .spfx file extension. It answers questions such as:

  • What is the .spfx file?
  • What program do I need to open a .spfx file?
  • How can the .spfx file be opened, edited or printed?
  • How can I convert .spfx files to another format?
  • Where can I find the specifications for .spfx?
  • Which MIME-type is associated with the .spfx extension?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

Squeeze Presets

SPFX file is a Squeeze Presets. Squeze presets are XML files created with Sorenson Squeeze.
SPFX format description not yet available
Application: Squeeze
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SPFX aliases:
SPFX related links:
SPFX related extensions:

Other types of files may also use the .spfx file extension.

The .spfx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

spx, sfx, spfs, spex, sprx, spf

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Speex Compressed Audio
ArcGIS Geodatabase SPX File
StatGraphics Centurion Data
SQR Portable Format
PKCS #12 Data File
ShadowProtect Full Backup
Spider File Storage
Signed PPU Relocatable Executable

Can't open a .spfx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .spfx file association, check the FAQ.

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .spfx file extension, write to us!

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