Question

How to enable external sharing for sharepoint site?

Answer 1

Answer:

How to Turn on SharePoint Online External Sharing

Click the Manage link below SharePoint Online in the Microsoft Online Administration Center.

Click Manage site collections from the Administration Center window that displays. ...

Click Settings from the action icons on the menu and then click Manage External Users. ...

Select the Allow radio button and click Save.

Answer 2

Enable & Add External Users in SharePoint Online

Within the administration center, click on Manage site collection.

In the Site Collections ribbon click Settings, then Manage External Users.

Click Allow, then click OK.

Access your team site and click Site Actions, then click Site Settings.