.TNA File

.tna is Topocad net adjustment data

Key Features: .TNA File Extension

What's on this Page

The tna file extension is mainly related to the Topocad, a surveying and mapping design software.

These tna files contain net adjustment data. Most likely one of the internal files.

You cannot access these files manually.

Probably cannot be converted to anything else.

Associate the TNA file extension with the correct application. On :
Windows: Right click on any TNA file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.TNA files". Mac: Right click (or Ctrl-click) the TNA file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .TNA is Topocad net adjustment data. Because only the current version supports the latest TNA file format. Search, therefore, e.g. on the Adtollo manufacturer website after an available .TNA is Topocad net adjustment data update.
To make sure that your TNA file is not corrupted or virus-infected, get the file again and scan it with antivirus software.