Recently opened documents, tasks, and websites are kept by Windows 10 and automatically suggested in certain context menus. Here’s how to get rid of it.
While suggestions are a quick way to reopen a project, which is quite handy, you might not want some of them to appear for everyone to see. It suffices, for example, to perform the test by right-clicking on the icon of a browser or word processing software, pinned to the taskbar, to quickly see it.

Recently closed tabs, most visited sites, or recently opened documents are listed there, enough to allow anyone with access to your machine to know a little more about your areas of interest, in one click, without even having to check your browsing history.
Fortunately, it is possible to deactivate these suggestions in the system settings.
1. Open settings
Click on the Start menu and go to Windows Settings by clicking on the cogwheel.

2. Access the customization options
In the Settings panel, go to Windows Customization options.

Enter the Start section, then turn off the last option in the list to Show recently opened items in Shortcut Lists.

It is also possible to simply reset the suggested suggestions by deactivating and then reactivating the function.
With this option disabled, the list of recently opened items should no longer be available when you right-click on an item on the taskbar.