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GT3X file extension

The table below provides useful information about the .gt3x file extension. It answers questions such as:

  • What is the .gt3x file?
  • What program do I need to open a .gt3x file?
  • How can the .gt3x file be opened, edited or printed?
  • How can I convert .gt3x 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

✅ ActiGraph wGT3X-BT Data

GT3X file is an ActiGraph wGT3X-BT Data. The wGT3X-BT is ActiGraph’s flagship activity monitor, used by researchers around the world to capture and record continuous, high resolution physical activity and sleep/wake information.
GT3X format description not yet available
Category: Data files
Application: ActiLife
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GT3X aliases:
GT3X related links:
GT3X related extensions:
ActiGraph ActiLife Data

Other types of files may also use the .gt3x file extension.

🚫 The .gt3x file extension is often given incorrectly!

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

g3x, gtex, gtx, t3x

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GNSS-TEC Exchange Format Data
Genetica Texture
GTViewer Extract File
RealFlight Content
TYPO3 Extension File

🔴 Can't open a .gt3x 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 .gt3x 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 .gt3x file extension, write to us!

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