Thru Email Add-Ins is a Microsoft Outlook add-in that enables users to send, receive, manage, and organize large files directly within the Outlook interface, replacing standard email attachments with secure file transfer links. Key functionality includes: - Sending and receiving files of any size and type via shareable links, bypassing email attachment size limits - Notifications upon file download, modification, movement, or transfer - Password authentication, expiration dates for download links, and login-request options for shared files - Comprehensive file encryption to protect data in transit and at rest The add-in features an Outlook Side Panel that provides access to Thru Cloud storage, allowing users to drag and drop files between their mailbox and Thru folder trees. File management actions such as open, upload, move, rename, and delete are accessible via right-click. File audit logs and transaction details are also available within the panel. By replacing email attachments with secure links, the tool aims to reduce load on Microsoft Exchange servers, mitigate data leakage risks, and provide auditability over file transfers without requiring users to leave their email client.