Steps to Clear Cache and Cookies in Microsoft Edge Web Browser 

1. Open Microsoft Edge, select Menu (3 dots icon on top right corner of the browser) > Settings > Privacy, search, and services.
2. Under the Clear browsing data section, select the Choose what to clear button.
3. Under Time range, select the drop-down menu and choose the duration for as far back as you would like to clear the cache and cookies.
4. Select "Cached images and files" and "Cookies and other site data" check box and then select Clear now.

Microsoft Support for clearing cache and cookies