The table below provides some useful information about the .tna extension. It answers questions such as:
- What is the .tna file?
- What program do I need to open a .tna file?
- Where can I find the specifications for .tna?
- How can I convert .tna file to another format?
We hope you find this page helpful and a valuable resource.
Details of extension .tna
1 extension(s) and 0 alias(es) found in database.
Problems with .tna files?
First check your registry for hidden errors!
| Extension: | .tna |
|---|---|
| Type: | Topocad Net Adjustment |
| Category: | Data |
| Mime type: | application/octet-stream |
| Description: | |
| TNA file is a Topocad Net Adjustment. Topocad is a topographic CAD application that works with survey data from the field. | |
| [Detailed description] [Sample not yet available] | |
| Open with: | Topocad |
| Program name: | |
| Related links: | |
| none | |
| Aliases: | |
| none | |
| Related extensions: | |
| agr, apr, avl, avx, gen, lyr, shp, shx, stn, sur, tcf, tcs, top, tpf, trl, trp, trv, tst | |
Recommended software for .tna files
Cannot open .tna files on your system?
When windows gives you an error message saying that it cannot open
.tna files, this means either:
- You need to identify a program that can open the file or
- Your registry may be damaged.
RECOMMENDED:
In both cases it is strongly recommended that you
run a free scan for registry errors.









