>> TAG file

TAG file format description

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

1 filename extension(s) found in our database.

.tag - DataFlex Query Tag

The TAG data files are related to DataFlex. TAG file is a DataFlex Query Tag file. DataFlex is an advanced object-oriented 4GL designed for developing database applications in character mode environments.

Data files
- / -
DataFlex Query Tag related extensions:
DataFlex Business Process Object
DataFlex Database File
DataFlex Registration Data
DataFlex Database Header
DataFlex Index
DataFlex Source Code

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

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

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

ag, atg, fag, hag, rag, ta, tab, taf, tah, tan, tar, tat, tav, tg, tga

Is it possible that the filename extension is misspelled?

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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 .tag file format, then write to us!

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