TEC File - opening and understanding

Did your computer fail to open a TEC file? We explain what they are used for and recommend software that we know can open or otherwise handle your .TEC files.

What is a TEC file?

A .TEC file is a PDP-10 TECO Macro file. Files that contain the .tec file extension are commonly used for PDP-10 TECO macro files. These files were created for the PDP-10 mainframe computers that were manufactured by DEC.

PDP-10 stands for Programmed Data Processor Model 10. A variety of universities used these machines in their research labs and computing facilities. These computers were most popular from 1963 through 1966.

How to open TEC files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension TEC for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different TEC openers which you will find listed below.

Other file formats using extension .TEC

While PDP-10 TECO Macro is a popular type of TEC-file, we know of 3 different uses of the .TEC extension.

The TEC file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a TEC opener may not be able to open all kinds of TEC files. In this case, look through all formats to make sure you find the best suited TEC viewer.

TECkit compiled mapping

The TECkit software also uses the .tec file suffix. TECkit is an acronym for Text Encoding Conversion toolkit. The TEC files that are used by this software contain a compiled version of the text mappings that are saved in the software's MAP files.

While we have not verified the apps ourselves yet, our users have suggested 10 different TEC openers which you will find listed below.

Ledit layout data

The Tanner Ledit software application also uses the .tec file format. These TEC files contain layout technology data files that are used by the Tanner Ledit program.

While we have not verified the apps ourselves yet, our users have suggested 10 different TEC openers which you will find listed below.

Various viewers for this file format

These apps are known to open certain types of TEC files. Remember, different programs may use TEC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Final Media PlayerFinal Media PlayerUser submitted
WinRARWinRARUser submitted
Picasa Photo ViewerPicasa Photo ViewerUser submitted
RealPlayerRealPlayerUser submitted
HAANSOFT HWPHAANSOFT HWPUser submitted
Adobe PhotoshopAdobe PhotoshopUser submitted
Adobe AcrobatAdobe AcrobatUser submitted
Photo GalleryPhoto GalleryUser submitted
TeemTalkTeemTalkUser submitted
File Type AssistantFile Type AssistantUser submitted
We have not verified any software that we know for certain will work with TEC-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with TEC-files. If you know one, please use the 'Suggest a program' link below and tell us about it!