Most Recently Used or MRU are lists of recently used programs or opened files that the Windows operating system saves in the Windows Registry. These are also visible to any user from the drop-down menu of the program. For instance, if yo were to open the Run box, you will be able to see the recently used tools in the drop-down menu. While this is useful for most. as it allows them to use their favorite tools easily, for others this may represent a security or privacy concern, as anyone would be able to see this list. The same is the case for the Internet Explorer browser’s address bar. One will be able to see the list of websites visited. Windows does this not just for IE, but even for other programs like Microsoft Office and several other programs. You can if you wish delete and clear all these MRU traces in the Windows system, by following the steps laid down in this tutorial.
Clear Most Recently Used (MRU) list
These MRU lists can expose information like the names and locations of the last files you have accessed – for almost any file type, and this information is stored in the Registry. By looking at these MRU lists, someone could determine what files you accessed. Moreover, in most cases, these lists are displayed in drop-down menus of the program. Let us therefore see how you can clear the MRU lists.
Clear the Windows Explorer MRU Lists
As an example, to clear the MRU list for the Run box, using the Windows Registry, Run regedit and navigate to the following key:
Here, delete all the values except the Default key to clear the Run box MRU list.
You can do the same for each of the following registry keys:
Find Computer command
Find Files command
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Doc Find Spec MRU
Use freeware MRU-Blaster
While most junk file cleaners do clear the MRU lists, you can also use a dedicated freeware like MRU Blaster, to delete all the traces and usage tracks from the nook and corner of your Windows 10/8/7 PC, including Windows explorer, Internet Explorer, Microsoft Office, Visual Studio, etc. It can find and remove over 30,000 MRU lists.
The tool is simple to use. Download and install it – and then run it. In the Settings panel, you can set your preferences. Once done, click on Scan to get the results. Delete the results selectively or all at once to clear the lists.