How to open SDT files

Did your computer fail to open a SDT file? We explain what SDT files are and recommend software that we know can open or convert your SDT files.

What is a SDT file?

The SDT file extension indicates to your device which app can open the file. However, different programs may use the SDT file type for different types of data.

While we do not yet describe the SDT file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about SDT files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic SDT

These apps are known to open certain types of SDT files. Since many different programs may use SDT files for different purposes, you may need to try a few of the apps to open your specific SDT file.

SmartDrawSmartDrawUser submitted
SmartDraw CISmartDraw CIUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
SmartDraw VPSmartDraw VPUser submitted
WinScopeWinScopeUser submitted
ABI SDS2.2ABI SDS2.2User submitted
SmartDraw Trial EditionSmartDraw Trial EditionUser submitted
SmartDraw Standard EditionSmartDraw Standard EditionUser submitted
Avigilon System Design ToolAvigilon System Design ToolUser submitted
SmartDraw Professional EditionSmartDraw Professional EditionUser submitted
CEREC 3DCEREC 3DUser submitted
SIEMENSSIEMENSUser submitted
inLab 3DinLab 3DUser submitted
SysDrive ConfiguratorSysDrive ConfiguratorUser submitted
SmartDraw SelectSmartDraw SelectUser submitted
SmartDraw ViewerSmartDraw ViewerUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with SDT-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with SDT-files. If you know one, please use the Suggest link below and tell us about it!