A51 file extension
The table below provides useful information about the .a51 file extension. It answers questions such as:
- What is the .a51 file?
- What program do I need to open a .a51 file?
- How can the .a51 file be opened, edited or printed?
- How can I convert .a51 files to another format?
Table of Contents
- ✅ µVision Assembler Source Code
- 🔄 .a51 file converters
- 🚫 .a51 file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ µVision Assembler Source Code

A51 file is a µVision Assembler Source Code. µVision is a window-based software development platform that combines a robust and modern editor with a project manager and make facility tool.
Other types of files may also use the .a51 file extension.
🚫 The .a51 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .a51 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:
example.a51
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 .a51 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 .a51 file extension, write to us!