This is what to do: Navigate to the Bing homepage. Click on the four horizontal lines in the top right-hand corner. Click 'search history' once in the drop-down menu. On the next page, click 'clear search history' on the right-hand side. Your browsing history should now be deleted and your cache clear!

Your history for all the things you search for using Bing are stored on your Microsoft account, so head on over to your Microsoft account's privacy settings, and sign in. After signing in, you'll see your account's Privacy dashboard. Scroll down a bit to the "Search History" section, and then click "View And Clear Search History" button.

You may want to restart your computer in Safe Mode for good measure. Log out from all your devices, then log back into your Microsoft account. Clear your cookies and cache, as sometimes, cookies can interfere with the deletion of your search history. Run a system antivirus scan for any corrupt files that may be preventing deletion.

Go to https://account.microsoft.com/privacy/.Please make sure to sign in to your Microsoft account. Scroll down to Search History and simply click on 'Clear seach history'.