>> 261 file

261 file format description

Many people share .261 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .261 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .261 files.

1 filename extension(s) found in our database.

.h261 - H.261 Video

The H261 video files are related to VLC Media Player. H261 file is a H.261 Video. H.261 is an ITU-T video compression standard, first ratified in 1988.

VLC Media Player
Video files
- / -
H.261 Video related extensions:
D-TEG CCTV Video Information
Cyberlink PowerDirector AVCHD Video
Microsoft DV-AVI Video
Blue Iris Recorded Video
Samsung Smart TV Video
MPEG-2 Transport Stream

Naturally, other applications may also use the .261 file extension. Even harmful programs can create .261 files. Be especially cautious with .261 files coming from an unknown source!

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 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 .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?

Similar file extensions in our database:

Corel WordPerfect Document

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

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

If you have useful information about the .261 file format, then write to us!

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