Sharing Files/Folder to External Users with OneDrive
Log into https://portal.office.com with you work email address and password
Click the OneDrive icon
Select new from the tool bar
From the drop-down menu select Folder
Give the folder a name then click Create
You can drag and drop a file in to the empty space
Once the file is uploaded it will appear on the page. The file is currently marked Private
To Share file, click on the left-hand side to select it
In the tool bar above the file select Share
Send link pop-up will appear
Select Anyone with the link can edit
Uncheck Allow editing
Select Specific people then click Apply
Type in the email address of who you want to send the link to. You can add multiple recipients. You will be notified below the email if the person is outside the organization. Then click Send
Link sent confirmation will appear.