>> AG4 file

AG4 file format description

Many people share .ag4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ag4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ag4 files.

1 filename extension(s) found in our database.

.ag4 - Microsoft Access G4 Data

The AG4 data files are related to Microsoft Access. AG4 file is a Microsoft Access G4 Data. Microsoft Access is a relational database management system from Microsoft.

Microsoft Access
Data files
- / -
Microsoft Access G4 Data related extensions:
Adobe FreeHand for Mac Data
Microsoft Word for Mac Help Data
eXtendable Wad Editor DE2 Data
Java Mashing Data
Belight Disc Cover Data
Lacerte Tax Data

Naturally, other applications may also use the .ag4 file extension. Even harmful programs can create .ag4 files. Be especially cautious with .ag4 files coming from an unknown source!

Can't open a .ag4 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 .ag4 file extension is often given incorrectly!

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

ab4, af4, ag, age, agr, agt, ar4, g4, xg4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Corel Paradox Index File
Ableton Groove File
Grace Project
Gerber Inner Routing Layer 1 Data
ESRI ArcGIS Ascii Grid
Eniac AB4 Data

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 .ag4 file format, then write to us!

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