_501 file icon

_501 File Extension

Apple MAC OS X
  • Developer
    Apple, Inc.
  • Category
  • Popularity
    0 ( votes)

What is _501 file?

Full format name of files that use _501 extension is Apple MAC OS X. Apple, Inc. defined the Apple MAC OS X format standard. _501 files are supported by software applications available for devices running Mac OS. _501 file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The software recommended for managing _501 files is Mac OS X. Mac OS X software was developed by Apple, Inc., and on its official website you may find more information about _501 files or the Mac OS X software program.

Programs which support _501 file extension

Below is a table that list programs that support _501 files. Files with _501 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 _501 file


How to open file with _501 extension?

Being unable to open files with _501 extension can be have various origins. Fortunately, most common problems with _501 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. Install Mac OS X software

Install software to open _501 file The most common reason for such problems is the lack of proper applications that supports _501 files installed on the system. The solution to this problem is very simple. Download Mac OS X and install it on your device. Above you will find a complete listing of programs that support _501 files, classified according to system platforms for which they are available. If you want to download Mac OS X installer in the most secured manner, we suggest you visit Apple, Inc. website and download from their official repositories.

Step 2. Update Mac OS X to the latest version

Update software that support file extension _501If the problems with opening _501 files still occur even after installing Mac OS X, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Mac OS X 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 _501 files are not compatible with Mac OS X. The most recent version of Mac OS X is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Mac OS X to _501 files

If you have the latest version of Mac OS X installed and the problem persists, select it as the default program to be used to manage _501 on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with _501 file on Windows

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the _501 file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Mac OS X is installed. Now all that is left is to confirm your choice by selecting Always use this app to open _501 files and clicking OK.
Associate software with _501 file on Mac

Change the default application in Mac OS

  • Right-click the _501 file and select Information
  • Open the Open with section by clicking its name
  • 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 _501 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the _501 is not faulty

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 _501 file. It is probable that the file is corrupted and thus cannot be accessed.

Check _501 file for viruses
1. The _501 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 _501 file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. _501 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with _501 extension is complete and error-free

If the _501 file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with _501 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.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Apple MAC OS X file again.

4. Verify that your device fulfills the requirements to be able to open Mac OS X

The operating systems may note enough free resources to run the application that support _501 files. Close all running programs and try opening the _501 file.

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

Latest versions of programs and drivers may help you solve problems with Apple MAC OS X files and ensure security of your device and operating system. It may be the case that the _501 files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the _501 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 _501 file.

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