>> A3G file

A3G file format description

Many people share .a3g files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .a3g file can be edited, converted or printed with. On this page, we try to provide assistance for handling .a3g files.

1 filename extension(s) found in our database.

.a3g - Photo! 3D Album Gallery

The A3G data files are related to Photo! 3D Album. A3G file is a Photo! 3D Album Gallery. Photo! 3D Album is a freeware software to create 3D album from photos.

Photo! 3D Album
Data files
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Photo! 3D Album Gallery related extensions:
Penguin George URL Melter Data
PCSX2 Saved State
PCSX2 Dumped BIOS Configuration File
EXPACS-V Document
CandyBar Icon
RRDtool Round Robin Database

Naturally, other applications may also use the .a3g file extension. Even harmful programs can create .a3g files. Be especially cautious with .a3g files coming from an unknown source!

Can't open a .a3g 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 .a3g file extension is often given incorrectly!

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

3g, a3r, aeg, ag, arg, awg, w3g, x3g

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MakerBot X3G Document
Alan v3 Resource File
Netmino Data
3GP Video File
Applixware Graphic
Autodesk AutoCAD User Profile

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 .a3g file format, then write to us!

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