Files with pho extension can be found as one the gerber file types, designs of printed circuit boards for CAD/CAM industry. It is supported by the Altium Designer.
There is one other file type using
the PHO file extension!
.pho - MBROLA phonetic data
Detailed description
Software that open pho file
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What is pho file? How to open pho files?
File extension pho is associated with the Gerber format (known as RS-274) used in PCB industry as standard. Designed to drive aperture based vector photo plotters.
Typically exported from a .grb file, supported in several gerber viewers and editors.
Gerber format is widely used in the electronics industry due to its versatility and compatibility with various CAD (Computer-Aided Design) software and PCB manufacturing machines.
The default software associated to open pho file:
Altium Designer 
Company or developer:
Altium Limited.
Altium Designer is a set of applications for printed circuit board, FPGA and embedded software design.
Help how to open:
A .pho file can be for example opened using the Altium Designer printed circuit board, FPGA and embedded software design tool.
How to convert:
Gerber files (designs of PCB) can be usually exported between various CAD/CAM formats, or exported as simple images.
Find conversions from pho file:
pho to drl
pho to gbp
pho to gerber
pho to gtl
Find converter to pho file type:
gbp to pho
List of software applications associated to the .pho file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open pho file, edit pho file, convert pho file, view pho file, play pho file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting pho files.
Software that open pho file - Gerber photoplot data
Programs supporting the exension pho on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Altium Designer for open pho file action.
pho file editor and apps that can edit pho file - Gerber photoplot data
Programs supporting the exension pho on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Altium Designer for edit pho file action.
pho file viewer - programs that view pho file - Gerber photoplot data
Programs supporting the exension pho on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about ViewMate Pro for view pho file action.
Programs that can create pho file - Gerber photoplot data
Programs supporting the exension pho on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Altium Designer for create pho file action.
Unspecified and all other actions for computer programs working with pho file - Gerber photoplot data
Click on the software link for more information about Altium Designer. Altium Designer uses pho file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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