Thru, Inc.
File Exchange and Collaboration Platform

Enterprise-Grade Content Collaboration for Microsoft Outlook

The Thru Add-in for Microsoft Outlook® is a comprehensive content collaboration solution for Outlook that improves workforce productivity, infrastructure modernization and provides centralized content protection.


Designed specifically for enterprises, the add-in extends Thru’s content collaboration features to Outlook like large attachment sharing, document versioning, email archiving, and more.

With Thru Add-In for Microsoft Outlook You Can

Collaborate Without Limits

Improve productivity and modernize your Outlook environment with the ability to collaborate on files of any size with internal and external users.

Thru Add-In for Microsoft Outlook with Side Panel
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Send and receive large files

Easily attach files and folders of any size to Outlook emails

Share files via links

Receive “read notifications” when anyone downloads files sent with Thru

Automatically save Outlook emails to custom project folders in Thru

Centralized Content Protection

Protect enterprise content in Outlook with enterprise-grade security and governance.

Thru Add-In for Microsoft Outlook with Activity Stream
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Secure content with encryption in transit and at rest

Ensure privacy of files with comprehensive encryption

Prevent unauthorized users from accessing attachments with “Request Login”

Granular administration

View an activity stream of all content activities

Collaborate from a Built-In Side Panel

Thru’s side panel feature is the only of its kind that allows users to access a secure file system and collaborate in real-time.

Thru Add-In for Microsoft Outlook with Side Panel
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Access, drag and drop files as attachments from side panel

Work in shared project folders with any number of internal and external users

Create, organize or delete your files and folders

Instantly generate and copy links to public or private content

Spend less time on the web

View content version history and restore to any previous versions directly from the side panel