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>> AAT file

AAT file format description

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

1 filename extension(s) found in our database.

.aat - ArchiCAD Attributes Data

AAT file is an ArchiCAD Attributes Data. ArchiCAD is an architectural CAD-software developed by the Hungarian company Graphisoft.

.aat file format description:
AAT format
GraphiSoft ArchiCAD
Data files
- / -
ArchiCAD Attributes Data related links:
ArchiCAD Attributes Data related extensions:
ArchiCAD 2D Lines Data
ArchiCAD PlotMaker Layout
ArchiCAD PlotMaker Layout Book
ArchiCAD Library Container File
ArchiCAD Module File
ArchiCAD Project Archive

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

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

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

aa, zat, qat, axt, ata, aar, aaf, wat, azt, awt, aqt, aah

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Audible Audiobook
Web Archive Transformation File
Antenna Web Design Studio Project
Advanced Authoring Format File
MSN Gaming Zone Data File
AbiWord Template

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