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>> ARIA2 file

ARIA2 file format description

Many people share .aria2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .aria2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .aria2 files.

1 filename extension(s) found in our database.

.aria2 - aria2 Control Data

aria2 file is an aria2 Control Data. Aria2 is a lightweight multi-protocol and multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

.aria2 file format description:
ARIA2 format description not yet available
Other files
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aria2 Control Data related links:
aria2 Control Data related extensions:
XTEA Encyrpted Data
Adobe Director Xtra Extension
VAKCER Project Tracker DLL Plug-in
VAKCER Project Tracker COM Add-in
Bryce Plug-in
Popcorn Hour A-300 NMT Package

Naturally, other applications may also use the .aria2 file extension. Even harmful programs can create .aria2 files. Be especially cautious with .aria2 files coming from an unknown source!

Can't open a .aria2 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 .aria2 file extension is often given incorrectly!

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


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

If you have useful information about the .aria2 file format, then write to us!