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3DH file extension

The table below provides useful information about the .3dh file extension. It answers questions such as:

  • What is the .3dh file?
  • What program do I need to open a .3dh file?
  • How can the .3dh file be opened, edited or printed?
  • How can I convert .3dh files to another format?

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

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

✅ SeisWorks Horizontal Time-slice Format Data

SeisWorks Horizontal Time-slice Format Data .3dh file icon
The 3DH file is a SeisWorks Horizontal Time-slice Format File. Seisworks is an integrated seismic interpretation package released by Landmark Graphics Incorporated.
3DH format description not yet available
Category: Data files
Application: SeisWorks
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
3DH aliases:
3DH related links:
3DH related extensions:
SeisWorks Vertical Time-slice Format File

SeisWorks Bricked Seismic Data Format File

SeisWorks Horizon Datafile

Other types of files may also use the .3dh file extension.

🚫 The .3dh file extension is often given incorrectly!

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

3d, 3db, 3dg, 3dm, 3dn, 3dt, 3h, dh, edh, rdh, wdh

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

QuickDraw 3D Metafile
Survex 3D Cavern Data
David Hanney Music
Carnivores: Dinosaur Hunter 3D Model
Advent 3B2 Document
HRV Edit Data
DreamPlan Home Design Software Model
3DMark Report Database
CAD-3D Model
Siemens MR Spectroscopy Header Data

🔴 Can't open a .3dh 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 .3dh 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 .3dh file extension, write to us!

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