Dropbox DocSend - statistically one of the best file-sharing solutions at its price range. Product Highlights Advanced SecurityEnable viewer whitelisting and viewer verification to add an extra layer of security to your links. Document WatermarkingEasily watermark an entire document or all the documents within a Space. One-Click NDAsMake it mandatory for someone to sign an NDA before viewing a confidential document. CORE FEATURES:Unlimited Deal RoomsBuild lightweight deal rooms to manage the flow of information during a deal. Teamwide ReportingTrack performance and document engagement across entire teams. DocSend eSignatureCreate and share signable documents in seconds. Custom Branded Subdomain & Document ViewerAdd your own logo and company name to your document viewer and subdomain for a professional look. Mail-Merge SupportUse a single DocSend link for marketing drip campaigns and track unique engagement for each recipient. Advanced File TypesShare videos, gifs, spreadsheets and audio files that be downloaded by viewers. Team FoldersOrganize documents by team for easy access. Internal Shared LinksShare DocSend links within your organization and get the same level of insight you would when sharing externally. Tiered Admin RolesAssign admin roles to help manage everything in DocSend except for billing. Secure Sharing & StorageUnlock 50GB of secure storage and upload files up to 2 GB in size. Gmail & Outlook ExtensionsCreate and share secure DocSend links directly from Gmail and Outlook. Priority Email & Phone SupportReceive email and phone support for any issues with your DocSend account delivered 7 days a week.