>> TAC file

TAC file format description

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

1 filename extension(s) found in our database.

.tac - ActiCalc Data

The TAC data files are related to ActiCalc. TAC file is an ActiCalc Data. ActiCalc is an easy-to-use general-purpose desktop calculator.

Data files
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ActiCalc Data related extensions:
Lucene 2 Compound File
Radio Mobile Antenna Definition
Envex Import Format File
Davis-Wilder Mann Format File

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

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

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

tad, rac, atc, tc, tav, ta, hac, ac, twc, tca, tax, tas, gac, txc, tqc

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Sony Xperia Flash Tool Trima Area Data
TrueCrypt Volume
TA Orchestrator Data
Helma Actions Script
Autodesk AutoCAD Tool Catalog
Racter Conversation 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

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

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

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