.PHTM File Overview

File Extension: PHTM
File Type Description: PHP-Based Web Page
File Type Developer: The Catalina Group
Primary Associated Software: Microsoft Notepad
Primary Software Developer: Microsoft Corporation

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What is File Extension PHTM?

Release of the Notepad++ software program prompted the development of the PHP-Based Web Page file type by Don Ho. Commonly, PHP-Based Web Page files are found on user computers from United States, and on PCs running the Windows 10 operating system. A majority of people seeking info on PHTM files are using the Google Chrome browser.

Associated Developers and Software

Apple TextEdit by Apple
Citrio by The Catalina Group
Microsoft Notepad by Microsoft Corporation
Microsoft Edge by Microsoft Corporation
Google Chrome by Google
Avant Browser by Avant Force
Mozilla Firefox by Mozilla
Notepad++ by Don Ho
Opera by Opera Software
Safari by Apple

Top PHTM User Languages

Top PHTM File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular PHTM File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems


Other File Types Related to PHTM Files

Extension File Type Developer File Category File Type Description
.ACCDA Microsoft Corporation Plugin Files Access Add-in File
.HLSLI Microsoft Corporation Data Files Microsoft Visual Studio Data File
.C__ Open Source Developer Files C++ Source Code File
._SLN60 Microsoft Corporation Data Files Microsoft Visual Studio File
.LASSO LassoSoft Web Files Lasso Database-Driven Web Page
.H__ Microsoft Corporation Developer Files C++ Header File
.SBC Microsoft Corporation Uncommon Files Office Accounting Company Shortcut File
.PLB Microsoft Corporation Data Files Microsoft Robotics Developer Studio Playback Data
.MSM Microsoft Corporation Settings Files Windows Installer Merge Module
.APT Apache Software Foundation Text Files Almost Plain Text File

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