261 file extension
The table below provides useful information about the .261 file extension. It answers questions such as:
- What is the .261 file?
- What program do I need to open a .261 file?
- How can the .261 file be opened, edited or printed?
- How can I convert .261 files to another format?
Table of Contents
- ✅ H.261 Video
- 🔄 .261 file converters
- 🚫 .261 file related errors
We hope you find this page helpful and a valuable resource!
0 extension(s) and 1 alias(es) found in database
✅ H.261 Video

H261 file is a H.261 Video. H.261 is an ITU-T video compression standard, first ratified in 1988.
Other types of files may also use the .261 file extension.
🚫 The .261 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 .261 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.261
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 .261 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 .261 file extension, write to us!