A daily updated filename extension database!

APT file extension

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

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

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

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

✅ Nimbus 7 SAMS APRIORI Data

Nimbus 7 SAMS APRIORI Data .apt file icon
APT file is a Nimbus 7 SAMS APRIORI Data. APT is an ASCII file of a-priori temperature profiles used in temperature retrieval programs. The Nimbus satellites were second-generation U.S. robotic spacecraft used for meteorological research and development.
Category: Data files
Application: Notepad
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
APT aliases:
APT related links:
APT related extensions:
Nimbus 7 SAMS MMRVT Data

Nimbus 7 SAMS HSK Data

Nimbus 7 SAMS Status Data

✅ Alphacam Punch Tool Data

Alphacam Punch Tool Data .apt file icon
APT file is an Alphacam Punch Tool Data. Alphacam is a leading CAD/CAM software solution for the Woodworking industry.
APT format description not yet available
Category: Data files
Application: Alphacam
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
APT aliases:
APT related links:
APT related extensions:
Alphacam Nest List

Alphacam NC Program

Alphacam User Font

Alphacam 2D/3D Mill Drawing

Alphacam 2D/3D Mill Tool Data

Alphacam 2D/3D Mill Post Data

Alphacam 2D/3D Mill Param Macro

Alphacam 2D/3D Mill VB Macro

Alphacam Lathe Drawing

Alphacam Router Tool Data

✅ Gerber Aperture Data

Gerber Aperture Data .apr file icon
APR file is a Gerber Aperture Data. A Gerber File is a standard file format used by printed circuit board (PCB) fabrication houses that contains information necessary for computer controlled machines to draw exact patterns for circuit boards.
Category: Data files
Application: Altium
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
APR aliases:
APR related links:
APR related extensions:
Gerber Bottom Solder Mask Data

Gerber Bottom Overlay Data

Gerber Bottom Layer Data

Gerber Bottom Paste Mask Data

Gerber Drill Drawing Data

Gerber Keep Out Layer

Gerber Pad Master Bottom Data

Gerber Pad Master Top Data

Gerber Top Layer Data

Gerber Top Overlay Data

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

🚫 The .apt file extension is often given incorrectly!

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

alt, aot, ap, apf, apg, aph, apr, at, atp, pat, pt, qpt, wpt, xpt, zpt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PC Stitch Pattern
WebSuite Active Page
Visual Studio ACT Project
EES Export
QuarkXPress Project Template
ArcView Project
ALEID2000 Demand Patterns Library
Adobe Profile Format File
Alphacam Lathe Post Data
SAS XPORT Engine Data

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

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