: Deeply integrated with Microsoft 365 (Teams, Word, Excel); includes advanced calendar and scheduling tools.
: Built-in AI for drafting and summarizing emails; features like read receipts and PGP encryption are standard. skachat programmu elektronnaia pochta
: Free version has limits (1GB storage, 150 messages/day); requires a "Bridge" app for desktop client use. : Deeply integrated with Microsoft 365 (Teams, Word,
: Completely free, highly customizable through add-ons, and stores mail locally for offline access. highly customizable through add-ons
: Windows, macOS, Linux, and Android (currently in beta). Best for Privacy & Security: Proton Mail
: Uses end-to-end encryption by default; based in Switzerland with strict privacy laws.