You can use the Send Anywhere Outlook 365 Add-In with Windows Outlook 2013, 2016 versions logged in with your Outlook 365 account. Send Anywhere starts to run when you click the Send Anywhere icon on the ‘Mail Compose’ screen ribbon.

Click the file attachment area to select a file to attach, or drag and drop the file to attach, then a file download link will be attached to the message. Attached files can be downloaded for a week without any limit. The detailed download period can be checked under the download link.