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
- - / -
- ActiCalc Data related extensions:
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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
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
DataTypes.net 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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