You can share a document with other people so that they can view and edit it. They don’t even need a OneDrive account.
To share a document:
In OneDrive, select the document you want to share.
In the Send a link window, type the email address of the person you want to share the document with, type a personal message, and choose sharing options.
Tip: If you want to share the document with more than one person, separate multiple email address by typing Tab, comma, or semicolon.
Click Share. The people you shared the document with will get an email with a link to the document that they can open in their web browser. If you gave them permission, they can edit the document in Word Online.