OEX file icon

OEX File Extension

Opera Extension
  • Developer
    Opera Software
  • Category
  • Popularity
    4 (1 votes)

What is OEX file?

OEX is a file extension commonly associated with Opera Extension files. Opera Software defined the Opera Extension format standard. Files with OEX extension may be used by programs distributed for Linux, Mac OS, Windows platform. OEX file format, along with 179 other file formats, belongs to the Plugin Files category. Users are advised to use Opera software for managing OEX files, although 2 other programs can also handle this type of file.

Programs which support OEX file extension

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

Windows Windows
Linux Linux

How to open file with OEX extension?

Being unable to open files with OEX extension can be have various origins. Fortunately, most common problems with OEX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with OEX files.

Step 1. Download and install Opera

Install software to open OEX file The main and most frequent cause precluding users form opening OEX files is that no program that can handle OEX files is installed on user’s system. The solution to this problem is very simple. Download Opera and install it on your device. 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 Opera installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update Opera to the latest version

Update software that support file extension OEXIf you already have Opera installed on your systems and OEX files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of Opera installed, it may not support OEX 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 Opera.

Step 3. Assign Opera to OEX files

After installing Opera (the most recent version) make sure that it is set as the default application to open OEX files. 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 OEX file on Windows

The procedure to change the default program in Windows

  • Clicking the OEX with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Opera is installed, check the Always use this app to open OEX files box and conform your selection by clicking OK button
Associate software with OEX file on Mac

The procedure to change the default program in Mac OS

  • Right-click the OEX file and 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
  • If you followed the previous steps a message should appear: This change will be applied to all files with OEX extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the OEX is not faulty

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

Check OEX file for viruses
1. Verify that the OEX in question is not infected with a computer virus

If the OEX is indeed infected, it is possible that the malware is blocking it from opening. Scan the OEX file as well as your computer for malware or viruses. OEX file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the OEX file in question from a different person? Ask him/her to send it one more time. 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. If the OEX file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Opera Extension file again.

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

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

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

Latest versions of programs and drivers may help you solve problems with Opera Extension 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 OEX files affecting older versions of given software.

Do you want to help?

If you have additional information about the OEX 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 OEX file.

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