File Storage & Sync
File storage and sync services for Outlook
9 of the 46 file storage and sync services in this directory name Outlook as an integration.
A listing names at most eight integrations, so this is what each tool chose to show rather than everything it connects to. 6 of them are free or have a free plan.
Listings checked up to Nov 12, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Microsoft OneDriveMicrosoft's cloud storage, bundled with Microsoft 365 plans | Free plan · from $1.99/mo | Yes | Web, macOS, Windows, iOS, Android |
| TresoritEnd-to-end encrypted file storage and sharing for businesses | Free plan · from $4.75/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| EgnyteBusiness file sharing with governance and AI tools | Free trial · from $10/mo | Trial only | Web, macOS, Windows, iOS, Android |
| ShareFileSecure file sharing and client portals for business teams | Free trial · from $16.50/mo | Trial only | Web |
| ownCloudOpen-source file sync and share you can host yourself | Free plan | Yes | Web, macOS, Windows, iOS, Android |
| SmashBrowser-based file transfer with no sign-up and no paid size cap | Free plan · from $6/mo | Yes | Web, macOS, iOS, Android |
| FilemailLarge file transfer by email or link, free up to 5 GB | Free plan · from $6/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| Send AnywhereSend files by 6-digit key or link, with no sign-in on the free plan | Free plan · from $5.99/mo | Yes | Web, macOS, Windows, Linux, iOS, Android, Browser extension |
| FileCloudBusiness file sharing and sync you host yourself or buy as SaaS | Free trial · from $7/mo | Trial only | Web, macOS, Windows, Linux, iOS, Android |
Common questions
Which file storage and sync services work with Outlook?
9 of the 46 file storage and sync services in this directory name Outlook as an integration. They are Microsoft OneDrive, Tresorit, Egnyte, ShareFile, ownCloud, Smash, Filemail, Send Anywhere and FileCloud.
Are these the only file storage and sync services that work with Outlook?
Probably not. A listing names at most eight integrations, so a tool that connects to Outlook may still not say so among the eight it chose. 37 of the 46 file storage and sync services here do not name it; that is a "does not say", not a "cannot". Check the vendor's own integrations page before you rule one out.
Which of these file storage and sync services are free?
Microsoft OneDrive, Tresorit, ownCloud, Smash, Filemail and Send Anywhere are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 9, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.