Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .uf2

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

Below, you can find answers to the following questions:

  • What is the .uf2 file?
  • Which program can create the .uf2 file?
  • Where can you find a description of the .uf2 format?
  • What can convert .uf2 files to a different format?
  • Which MIME-type is associated with the .uf2 extension?
USB Flashing Format Data .uf2 file icon

USB Flashing Format Data

UF2 file is a USB Flashing Format Data. UF2 is a file format, developed by Microsoft for PXT (also known as Microsoft MakeCode), that is particularly suitable for flashing microcontrollers over MSC (Mass Storage Class).
Category: Other files
Application: UF2 Tools
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .uf2 file extension. If you have helpful information about .uf2 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

L3DT Compressed Heightfield Data
µVision v3 Project
Max Payne Model Data File
IBM Rational Tau U2 Model
UltraCompressor 2 Compressed Archive
Crestron SIMPL Compile
Unreal Tournament 2003 Map File

The .uf2 filename extension is often given incorrectly!

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

hf2 (1), uv2 (1), uf (1), u2 (1), if2 (1), ut2 (1), uc2 (1), kf2 (1)

Can't open a .uf2 file?

If you want to open a .uf2 file on your computer, you just need to have the appropriate program installed. If the .uf2 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.uf2

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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