HTMS File Extension

HTMS file icon
PHP HTML Document
  • Developer
    The PHP Group
  • Category
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What is HTMS file?

HTMS filename suffix is mostly used for PHP HTML Document files. The PHP Group defined the PHP HTML Document format standard. HTMS file format is compatible with software that can be installed on Windows system platform. HTMS file belongs to the Web Files category just like 303 other filename extensions listed in our database. The software recommended for managing HTMS files is PHP Engine.

Programs which support HTMS file extension

The following listing features HTMS-compatible programs. Files with HTMS suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support HTMS file

Windows Windows

How to open file with HTMS extension?

There can be multiple causes why you have problems with opening HTMS files on given system. Fortunately, most common problems with HTMS files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install PHP Engine

Problems with opening and working with HTMS files are most probably having to do with no proper software compatible with HTMS files being present on your machine. The solution to this problem is very simple. Download PHP Engine and install it on your device. Above you will find a complete listing of programs that support HTMS files, classified according to system platforms for which they are available. The safest method of downloading PHP Engine installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update PHP Engine to the latest version

You still cannot access HTMS files although PHP Engine is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that PHP Engine cannot handle files with HTMS may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using PHP Engine.

Step 3. Assign PHP Engine to HTMS files

After installing PHP Engine (the most recent version) make sure that it is set as the default application to open HTMS files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

  • Right-click the HTMS file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the PHP Engine installation folder. Confirm by checking Always use this app to open HTMS files box and clicking OK button.

Change the default application in Mac OS

  • By clicking right mouse button on the selected HTMS file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • If you followed the previous steps a message should appear: This change will be applied to all files with HTMS extension. Next, click the Continue button to finalize the process.

Step 4. Check the HTMS for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper HTMS file. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the HTMS in question is not infected with a computer virus

Should it happed that the HTMS is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the HTMS file is indeed infected follow the instructions below.

2. Ensure the file with HTMS extension is complete and error-free

Did you receive the HTMS file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with HTMS extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open PHP Engine

If the systems has insufficient resources to open HTMS files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with PHP HTML Document files and ensure security of your device and operating system. It may be the case that the HTMS files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the HTMS file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on HTMS file.

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