UMLCLASS File Extension

UMLCLASS file icon
UML Class Model

What is UMLCLASS file?

UMLCLASS filename suffix is mostly used for UML Class Model files. UMLCLASS files are supported by software applications available for devices running Linux, Mac OS, Windows. Files with UMLCLASS extension are categorized as Developer Files files. The Developer Files subset comprises 1018 various file formats. Eclipse supports UMLCLASS files and is the most frequently used program to handle such files, yet 2 other tools may also be used. Software named Eclipse was created by The Eclipse Foundation. In order to find more detailed information on the software and UMLCLASS files, check the developer’s official website.

Programs which support UMLCLASS file extension

The following list contains programs grouped by 3 operating systems that support UMLCLASS files. UMLCLASS files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support UMLCLASS file

Windows Windows
Linux Linux

How to open file with UMLCLASS extension?

Problems with accessing UMLCLASS may be due to various reasons. What is important, all common issues related to files with UMLCLASS extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Eclipse software

Problems with opening and working with UMLCLASS files are most probably having to do with no proper software compatible with UMLCLASS files being present on your machine. The solution is straightforward, just download and install Eclipse. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading Eclipse installed is by going to developer’s website (The Eclipse Foundation) and downloading the software using provided links.

Step 2. Check the version of Eclipse and update if needed

If the problems with opening UMLCLASS files still occur even after installing Eclipse, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Eclipse is available. 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 Eclipse installed, it may not support UMLCLASS format. The latest version of Eclipse should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open UMLCLASS files to Eclipse

After installing Eclipse (the most recent version) make sure that it is set as the default application to open UMLCLASS files. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Clicking the UMLCLASS with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Eclipse is installed. Now all that is left is to confirm your choice by selecting Always use this app to open UMLCLASS files and clicking OK.

The procedure to change the default program in Mac OS

  • Right-click the UMLCLASS file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • 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 UMLCLASS extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the UMLCLASS file is complete and free of errors

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

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

If the file is infected, the malware that resides in the UMLCLASS file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the UMLCLASS file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the UMLCLASS file’s structure is intact

If the UMLCLASS file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with UMLCLASS 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 UML Class Model file.

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

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with UML Class Model file. It is possible that one of the available system or driver updates may solve the problems with UMLCLASS files affecting older versions of given software.

Do you want to help?

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