: OneDrive is the "backend" for your email. Instead of sending bulky attachments, you can upload them to OneDrive and share a link, which is much faster for large files.
When you have a Hotmail account (now part of Outlook.com), you automatically get access to , a cloud storage service that lets you save, share, and sync your files across all your devices. Core Features hotmail onedrive
: Every free Hotmail/Outlook account includes 5 GB of storage . : OneDrive is the "backend" for your email