AVRASMPROJ file format description

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

1 filename extension(s) found in our database.

.avrasmproj - Atmel Studio Legacy Assembler Project

The AVRASMPROJ project files are related to Atmel Studio. The AVRASMPROJ file is an Atmel Studio Legacy Assembler Project. Atmel Studio is an integrated development platform (IDP) for developing and debugging Atmel ARM Cortex-M and Atmel AVR microcontroller- (MCU-) based applications.

Atmel Studio
Project files
- / -
Atmel Studio Legacy Assembler Project related extensions:
MicroImages TNT Project
Sandcastle Help File Builder Project
MediaFACE Project
Miradi XML Project
µVision v4 Multiple Project
JUDE Think! Project

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

Can't open a .avrasmproj 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.

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .avrasmproj file format, then write to us!

DataTypes.net >> AVRASMPROJ file