Microsoft Office Tutorials and References
In Depth Information
5. If you would like to require users to sign in, select the Require sign-in check box. This
is where SharePoint Online provides an option to provide a level of assurance that
only the recipients on the original invitation are authorized. If you select the Require
sign-in box, the email addresses of the people you invite must be associated with a
Microsoft account, previously known as Windows Live ID. Authentication with the
Microsoft account is required before access to the file is granted. Therefore, if the
person you invite forwards the invitation to someone else, the third party would not
have the correct Microsoft account to be authenticated before access is granted.
6. Click Save to create and send the invitation.
After the invitation is sent to an external entity and the entity accesses the shared file, a
PAL is consumed. After an email address is associated with a PAL, other shared files with
the same entity will not consume additional PALs. After all sharing has ceased for the email
address, the PAL will be released and can then be used by another external user.
Managing external sharing
As an administrator, you have the ability to allow or deny external sharing. In Step 1 of the
preceding exercise, you saw how you can turn sharing on or off for the entire organization
at the tenant level. This needs to be done before you can turn external sharing on or off at
the site collection level. The site collection is the lowest level at which you can control the
ability for external sharing.
When external sharing is enabled, users can share sites, libraries, folders, and documents.
Follow these steps to determine content sharing information and how to modify and
remove sharing access:
1. For this exercise, we will use a document in SkyDrive Pro. Select a document in
SkyDrive Pro and click the ellipsis.