UML File Extension

What is UML file?

UML filename suffix is mostly used for UML Data Object Model files. UML files are supported by software applications available for devices running Linux, Mac OS, Windows. Files with UML extension are categorized as Developer Files files. The Developer Files subset comprises 1205 various file formats. The most popular program for handling UML files is MagicDraw, but users can choose among 6 different programs that support this file format. Software named MagicDraw was created by No Magic, Inc.. In order to find more detailed information on the software and UML files, check the developer’s official website.

Programs which support UML file extension

Below you will find an index of software programs that can be used to open UML files divided into 3 categories according to system platform supported. Files with UML 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.

How to open file with UML extension?

There can be multiple causes why you have problems with opening UML files on given system. On the bright side, the most encountered issues pertaining to UML Data Object Model 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. Download and install MagicDraw

The main and most frequent cause precluding users form opening UML files is that no program that can handle UML files is installed on user’s system. The most obvious solution is to download and install MagicDraw or one to the listed programs: Eclipse, Visual UML. 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 MagicDraw installed is by going to developer’s website (No Magic, Inc.) and downloading the software using provided links.

Step 2. Verify the you have the latest version of MagicDraw

If the problems with opening UML files still occur even after installing MagicDraw, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of MagicDraw is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why UML files are not compatible with MagicDraw. The most recent version of MagicDraw is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign MagicDraw to UML files

After installing MagicDraw (the most recent version) make sure that it is set as the default application to open UML files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the UML file
• 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 MagicDraw installation folder. Confirm by checking Always use this app to open UML files box and clicking OK button.

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with UML extension, 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
• If you followed the previous steps a message should appear: This change will be applied to all files with UML extension. Next, click the Continue button to finalize the process.

Step 4. Check the UML for errors

Should the problem still occur after following steps 1-3, check if the UML file is valid. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the UML file hinders attempts to open it. Scan the UML file as well as your computer for malware or viruses. UML file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the UML 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 UML extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run MagicDraw

If the system is under havy load, it may not be able to handle the program that you use to open files with UML extension. In this case close the other applications.

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with UML Data Object Model files. It may be the case that the UML files work properly with updated software that addresses some system bugs.

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