DEV file icon

DEV File Extension

Windows Device Driver Format

What is DEV file?

DEV filename suffix is mostly used for Windows Device Driver Format files. DEV file format is compatible with software that can be installed on Mac OS, Windows system platform. DEV file belongs to the System Files category just like 323 other filename extensions listed in our database. The most popular program for handling DEV files is Microsoft Windows, but users can choose among 1 different programs that support this file format. Software named Microsoft Windows was created by Microsoft Corporation. In order to find more detailed information on the software and DEV files, check the developer’s official website.

Programs which support DEV file extension

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

How to open file with DEV extension?

Problems with accessing DEV may be due to various reasons. Fortunately, most common problems with DEV 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 Microsoft Windows software

Install software to open DEV file The main and most frequent cause precluding users form opening DEV files is that no program that can handle DEV files is installed on user’s system. This one is an easy one. Select Microsoft Windows or one of the recommended programs (for example, Parallels Desktop) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Windows website and download the installer.

Step 2. Update Microsoft Windows to the latest version

Update software that support file extension DEVIf you already have Microsoft Windows installed on your systems and DEV files are still not opened properly, check if you have the latest version of the software. 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 Microsoft Windows installed, it may not support DEV format. The latest version of Microsoft Windows should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open DEV files to Microsoft Windows

If the issue has not been solved in the previous step, you should associate DEV files with latest version of Microsoft Windows you have installed 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 DEV file on Windows

The procedure to change the default program in Windows

  • Right-click the DEV file and choose Open with option
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Windows is installed. Now all that is left is to confirm your choice by selecting Always use this app to open DEV files and clicking OK.
Associate software with DEV file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with DEV extension, 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 DEV extension. Next, click the Continue button to finalize the process.

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

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

Check DEV file for viruses
1. Check the DEV file for viruses or malware

Should it happed that the DEV is infected with a virus, this may be that cause that prevents you from accessing it. Scan the DEV file as well as your computer for malware or viruses. If the DEV file is indeed infected follow the instructions below.

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

Did you receive the DEV file in question from a different person? Ask him/her to send it one more time. 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 DEV 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

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Windows Device Driver Format file.

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

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

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 Windows Device Driver Format file. It may be the case that the DEV files work properly with updated software that addresses some system bugs.

Conversion of a DEV file

File Conversions from DEV extension to a different format
File conversions from other format to DEV file
Do you want to help?

If you have additional information about the DEV 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 DEV file.

Top File Extensions
Show more
File Extension of the day
nupkg icon

NUPKG

NuGet Package

NUPKG file stores standardized NuGet packages, which can be used for distributing application or library source code. NUPKG is a ZIP archive that c...