LOP File Extension

What is LOP file?

LOP is a file extension commonly associated with MasterCook Layout Format files. ValuSoft defined the MasterCook Layout Format format standard. Files with LOP extension may be used by programs distributed for Mac OS, Windows platform. LOP file belongs to the Settings Files category just like 1305 other filename extensions listed in our database. The most popular program for handling LOP files is MasterCook, but users can choose among 1 different programs that support this file format. MasterCook software was developed by ValuSoft, and on its official website you may find more information about LOP files or the MasterCook software program.

Programs which support LOP file extension

The following list contains programs grouped by 2 operating systems that support LOP files. Files with LOP suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with LOP extension?

There can be multiple causes why you have problems with opening LOP files on given system. What is important, all common issues related to files with LOP 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. Get the MasterCook

The main and most frequent cause precluding users form opening LOP files is that no program that can handle LOP files is installed on user’s system. The solution is straightforward, just download and install MasterCook. Above you will find a complete listing of programs that support LOP files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit MasterCook website and download the installer.

Step 2. Check the version of MasterCook and update if needed

If the problems with opening LOP files still occur even after installing MasterCook, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of MasterCook 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 LOP files are not compatible with MasterCook. The latest version of MasterCook should support all file formats that where compatible with older versions of the software.

Step 3. Assign MasterCook to LOP files

After installing MasterCook (the most recent version) make sure that it is set as the default application to open LOP files. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

• Clicking the LOP with right mouse button will bring a menu from which you should select the 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 MasterCook is installed. Now all that is left is to confirm your choice by selecting Always use this app to open LOP files and clicking OK.

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected LOP file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select the appropriate software and save your settings by clicking Change all
• Finally, a This change will be applied to all files with LOP extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the LOP is not faulty

Should the problem still occur after following steps 1-3, check if the LOP file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. The LOP may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the LOP is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the LOP file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic LOP file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with LOP 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.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

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

If the system is under havy load, it may not be able to handle the program that you use to open files with LOP extension. In this case close the other applications.

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 MasterCook Layout Format file. It may be the case that the LOP files work properly with updated software that addresses some system bugs.

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