>> UF2 file

UF2 file format description

Many people share .uf2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .uf2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .uf2 files.

1 filename extension(s) found in our database.

.uf2 - USB Flashing Format Data

The UF2 other files are related to UF2 Tools. The 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).

UF2 Tools
Other files
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USB Flashing Format Data related extensions:
nvStructural NVX Plug-in
SimCreator Script
HyperRESEARCH Plugin
Network File System Temporary
K.Y.N.G USB Software Update
Instalit Library

Naturally, other applications may also use the .uf2 file extension. Even harmful programs can create .uf2 files. Be especially cautious with .uf2 files coming from an unknown source!

Can't open a .uf2 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 can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .uf2 file extension is often given incorrectly!

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

hf2, if2, kf2, u2, uc2, uf, ut2, uv2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

IBM Rational Tau U2 Model
Unreal Tournament 2003 Map File
Intel Rapid Start Driver Setup Configuration
µVision v3 Project
Max Payne Model Data File
Jane's Combat Simulations: F-15 Game Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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