Sharing a OneDrive for Business File in an Email Message
Action
You can share a file from OneDrive for Business with others from an email message. This is a good way to send large sized files.
Instructions
Be sure that the file you want to share is uploaded to OneDrive.
From your email, click Insert, select Attach File, and select the file you want to share:
When prompted, choose Share link to generate a link to the file right from your OneDrive space rather than attaching a copy of the file to the email directly:
Finish composing the email and send it as you normally would.
The recipient(s) will receive links to the content you shared with the access level you selected.