KON file icon

KON File Extension

Yahoo! Widget XML Format

What is KON file?

Full format name of files that use KON extension is Yahoo! Widget XML Format. KON files are supported by software applications available for devices running Mac OS, Windows. KON file format, along with 440 other file formats, belongs to the Text Files category. The most popular program for handling KON files is Yahoo! Widgets, but users can choose among 1 different programs that support this file format.

Programs which support KON file extension

The list that follows enumerates programs compatible with KON files, divided into 2 categories based on operating system on which they are available. Files with KON 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 KON file

How to open file with KON extension?

Being unable to open files with KON extension can be have various origins. Fortunately, most common problems with KON files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Yahoo! Widgets

Install software to open KON file The main and most frequent cause precluding users form opening KON files is that no program that can handle KON files is installed on user’s system. To address this issue, go to the Yahoo! Widgets developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. The safest method of downloading Yahoo! Widgets installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update Yahoo! Widgets to the latest version

Update software that support file extension KONIf you already have Yahoo! Widgets installed on your systems and KON 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. The reason that Yahoo! Widgets cannot handle files with KON may be that the software is outdated. The most recent version of Yahoo! Widgets is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Yahoo! Widgets to KON files

If the issue has not been solved in the previous step, you should associate KON files with latest version of Yahoo! Widgets you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with KON file on Windows

Change the default application in Windows

  • Clicking the KON with right mouse button will bring a menu from which you should select the Open with option
  • 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 Yahoo! Widgets is installed. Now all that is left is to confirm your choice by selecting Always use this app to open KON files and clicking OK.
Associate software with KON file on Mac

Change the default application in Mac OS

  • Right-click the KON file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select Yahoo! Widgets and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with KON extension. Next, click the Continue button to finalize the process.

Step 4. Check the KON for errors

Should the problem still occur after following steps 1-3, check if the KON file is valid. Problems with opening the file may arise due to various reasons.

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

If the file is infected, the malware that resides in the KON 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. KON file is infected with malware? Follow the steps suggested by your antivirus software.

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

If you obtained the problematic KON file from a third party, ask them to supply you with another copy. 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. It could happen the the download process of file with KON extension was interrupted and the file data is defective. Download the file again from the same source.

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 Yahoo! Widget XML Format file again.

4. Check whether your system can handle Yahoo! Widgets

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

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Yahoo! Widget XML Format files. It may be the case that the KON files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the KON 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 KON file.

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