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In the Add this website to the zone box, type the URL for the SharePoint Online site that you want to add to the Trusted sites zone, and then select Add. Select the Security tab, select Trusted sites, and then select Sites.
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Open a document library in Explorer View.Īdd your SharePoint Online sites to trusted sites Select the Stay signed in option, enter your Office 365 work or school account credentials, and then select Sign in (if it's necessary). In the Office 365 ribbon, select the drop-down arrow next to your user name. If you previously didn't check the Stay signed in option and then browse to a SharePoint Online site or the Office 365 portal and you're already signed in, you must first sign out, and then sign in again by using the Stay signed in option. A mapped network drive that's connected to SharePoint Online is only supported when these steps are performed within Internet Explorer.
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This prevents the session that's used by the mapped network drive from expiring. After you map a network drive to SharePoint Online, you must occasionally connect to the SharePoint Online site by using Internet Explorer and select the Stay signed in option.
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