A daily updated filename extension database!

TNA file extension

The table below provides useful information about the .tna file extension. It answers questions such as:

  • What is the .tna file?
  • What program do I need to open a .tna file?
  • How can the .tna file be opened, edited or printed?
  • How can I convert .tna files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Topocad Net Adjustment

Topocad Net Adjustment .tna file icon
TNA file is a Topocad Net Adjustment. Topocad is a topographic CAD application that works with survey data from the field.
Category: Data files
Application: Topocad
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TNA aliases:
TNA related links:
TNA related extensions:
ArcView Project

ESRI ArcGIS Ascii Grid

ArcView Geocoding Standardization

ArcView Legend Template

ArcView Extension

ArcView Shape File

ArcView Shape Index

ArcView Ungenerate File

Topocad Road Profile

Topocad Roadlines

Other types of files may also use the .tna file extension.

🚫 The .tna file extension is often given incorrectly!

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

fna, gna, nta, rna, ta, tan, tba, tga, tha, tja, tma, tn, tnx, tnz

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft Windows Thai Noise-Words List
Sony Xperia Flash Tool Trima Area Data
FASTA Sequence
Taikojiro Song Map
RFM Tangent Altitudes File
Genigraphics Graphics Link Presentation
DCI TradeManager Catalog Archive
DB/TextWorks Primary Textbase Definition
Tracor Northern Image
Targa Bitmap Image

🔴 Can't open a .tna 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .tna file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .tna file extension, write to us!

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