>> A2 file

A2 file format description

Many people share .a2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .a2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .a2 files.

1 filename extension(s) found in our database.

.ai - OpenEdge ABL After Image

The AI development files are related to Progress OpenEdge. The AI file is an OpenEdge ABL After Image. OpenEdge Advanced Business Language is a business application development language created and maintained by Progress Software Corporation (PSC).

Progress OpenEdge
Development files
- / -
a1, a2
OpenEdge ABL After Image related extensions:
ProWorx NXT USL Loadable
HTL Source
µVision System Viewer Binary Data
KF Webserver Script
Objeck Source Code

Naturally, other applications may also use the .a2 file extension. Even harmful programs can create .a2 files. Be especially cautious with .a2 files coming from an unknown source!

Can't open a .a2 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 .a2 file extension is often given incorrectly!

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

ae, aq, aw, az, q2, z2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Answer Wizard Index
Applixware Words Document
Z-machine Z-code File
Ski Stunt Simulator Animation
Curse: The Eye Of Isis Game Data
WinAMP Equalizer Auto-load Presets

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

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If you have useful information about the .a2 file format, then write to us!