XEF file icon

XEF File Extension

WinAce Encrypted Format

What is XEF file?

Full format name of files that use XEF extension is WinAce Encrypted Format. XEF file format is compatible with software that can be installed on Mac OS, Windows system platform. XEF file format, along with 236 other file formats, belongs to the Compressed Files category. WinAce supports XEF files and is the most frequently used program to handle such files, yet 1 other tools may also be used.

Programs which support XEF file extension

Below you will find an index of software programs that can be used to open XEF files divided into 2 categories according to system platform supported. Files with XEF 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 XEF file

Windows Windows
MAC OS MAC OS

How to open file with XEF extension?

There can be multiple causes why you have problems with opening XEF files on given system. What is important, all common issues related to files with XEF 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. Download and install WinAce

Install software to open XEF file The main and most frequent cause precluding users form opening XEF files is that no program that can handle XEF files is installed on user’s system. This issue can be addressed by downloading and installing WinAce or different compatible program, such as MacUnace. 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 WinAce installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update WinAce to the latest version

Update software that support file extension XEFIf the problems with opening XEF files still occur even after installing WinAce, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of WinAce 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 XEF files are not compatible with WinAce. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using WinAce.

Step 3. Set the default application to open XEF files to WinAce

If you have the latest version of WinAce installed and the problem persists, select it as the default program to be used to manage XEF on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with XEF file on Windows

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 XEF file
  • 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 WinAce is installed. Now all that is left is to confirm your choice by selecting Always use this app to open XEF files and clicking OK.
Associate software with XEF file on Mac

The procedure to change the default program in Mac OS

  • Right-click the XEF file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select WinAce and click Change for all...
  • Finally, a This change will be applied to all files with XEF extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the XEF for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the XEF file in question. Being unable to access the file can be related to various issues.

Check XEF file for viruses
1. The XEF 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 XEF 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. If the scanner detected that the XEF file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

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

Did you receive the XEF 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 XEF 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 WinAce Encrypted Format file.

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

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

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with WinAce Encrypted Format file. It may be the case that the XEF files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the XEF 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 XEF file.

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