JST File Extension

JST file icon
JavaServer Page Document
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What is JST file?

Full format name of files that use JST extension is JavaServer Page Document. Oracle defined the JavaServer Page Document format standard. Files with JST extension may be used by programs distributed for , Mac OS, Windows platform. JST file belongs to the Web Files category just like 303 other filename extensions listed in our database. Users are advised to use Adobe Dreamweaver software for managing JST files, although 4 other programs can also handle this type of file. Software named Adobe Dreamweaver was created by Adobe Systems Incorporated. In order to find more detailed information on the software and JST files, check the developer’s official website.

Programs which support JST file extension

Below you will find an index of software programs that can be used to open JST files divided into 3 categories according to system platform supported. Files with JST extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support JST file

How to open file with JST extension?

Problems with accessing JST may be due to various reasons. On the bright side, the most encountered issues pertaining to JavaServer Page Document files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Adobe Dreamweaver software

The main and most frequent cause precluding users form opening JST files is that no program that can handle JST files is installed on user’s system. This one is an easy one. Select Adobe Dreamweaver or one of the recommended programs (for example, Adobe Creative Suite, Microsoft Internet Explorer, Java) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. The safest method of downloading Adobe Dreamweaver installed is by going to developer’s website (Adobe Systems Incorporated) and downloading the software using provided links.

Step 2. Check the version of Adobe Dreamweaver and update if needed

You still cannot access JST files although Adobe Dreamweaver 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. If you have an older version of Adobe Dreamweaver installed, it may not support JST format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Adobe Dreamweaver.

Step 3. Associate JavaServer Page Document files with Adobe Dreamweaver

If the issue has not been solved in the previous step, you should associate JST files with latest version of Adobe Dreamweaver you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the JST file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Adobe Dreamweaver installation folder. Confirm by checking Always use this app to open JST files box and clicking OK button.

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with JST extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with JST extension. By clicking Continue you confirm your selection.

Step 4. Check the JST for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the JST file in question. Problems with opening the file may arise due to various reasons.

1. The JST may be infected with malware – make sure to scan it with an antivirus tool.

If the JST is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. JST file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the JST file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with JST extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the JavaServer Page Document file.

4. Verify that your device fulfills the requirements to be able to open Adobe Dreamweaver

The operating systems may note enough free resources to run the application that support JST files. Close all running programs and try opening the JST file.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with JavaServer Page Document files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with JST files affecting older versions of given software.

Do you want to help?

If you have additional information about the JST 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 JST file.

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