LKO file icon

LKO File Extension

Microsoft Outlook Express
  • Developer
    Microsoft Corporation
  • Category
  • Popularity
    0 ( votes)

What is LKO file?

LKO filename suffix is mostly used for Microsoft Outlook Express files. Microsoft Corporation defined the Microsoft Outlook Express format standard. LKO files are supported by software applications available for devices running Windows. LKO file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. Microsoft Outlook Express is by far the most used program for working with LKO files. Microsoft Outlook Express software was developed by Microsoft Corporation, and on its official website you may find more information about LKO files or the Microsoft Outlook Express software program.

Programs which support LKO file extension

Programs that can handle LKO files are as follows. Files with LKO 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 LKO file

How to open file with LKO extension?

Being unable to open files with LKO extension can be have various origins. On the bright side, the most encountered issues pertaining to Microsoft Outlook Express files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Microsoft Outlook Express software

Install software to open LKO file The most common reason for such problems is the lack of proper applications that supports LKO files installed on the system. To address this issue, go to the Microsoft Outlook Express developer website, download the tool, and install it. It is that easy On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Outlook Express website and download the installer.

Step 2. Check the version of Microsoft Outlook Express and update if needed

Update software that support file extension LKOYou still cannot access LKO files although Microsoft Outlook Express is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why LKO files are not compatible with Microsoft Outlook Express. The most recent version of Microsoft Outlook Express is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open LKO files to Microsoft Outlook Express

If the issue has not been solved in the previous step, you should associate LKO files with latest version of Microsoft Outlook Express you have installed on your device. The method is quite simple and varies little across operating systems.

Associate software with LKO file on Windows

Change the default application in Windows

  • Clicking the LKO with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where Microsoft Outlook Express is installed, check the Always use this app to open LKO files box and conform your selection by clicking OK button
Associate software with LKO file on Mac

Change the default application in Mac OS

  • Right-click the LKO file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • 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 LKO extension. Next, click the Continue button to finalize the process.

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

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

Check LKO file for viruses
1. The LKO may be infected with malware – make sure to scan it with an antivirus tool.

If the LKO is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. LKO file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the LKO file was sent to you by someone else, ask this person to resend the file to you. 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 LKO 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.

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run Microsoft Outlook Express

The operating systems may note enough free resources to run the application that support LKO files. Close all running programs and try opening the LKO 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 Microsoft Outlook Express files and ensure security of your device and operating system. It may be the case that the LKO files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the LKO 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 LKO file.

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