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Best Microsoft Exchange Online Alternatives in 2026

12 tools from email encryption software ranked against Microsoft Exchange Online on the same published basis.

  1. 1
    Lockbin Free plan LinuxMacWebWin $10/mo7.8
    Microsoft Exchange Online vs Lockbin
  2. 2
    DataMotion Secure Email Exchange Free trial AndroidapiiOSWeb 7.6
    Microsoft Exchange Online vs DataMotion Secure Email Exchange
  3. 3
    Mailvelope Free trial extensionWeb €3/mo7.4
    Microsoft Exchange Online vs Mailvelope
  4. 4
    gpg4o Free plan Win €99.95/mo7.3
    Microsoft Exchange Online vs gpg4o
  5. 5
    Proofpoint Email DLP and Encryption AndroidiOSWebWin 7.1
    Microsoft Exchange Online vs Proofpoint Email DLP and Encryption
  6. 6
    Encryptomatic OpenPGP Win $2.50/mo7.0
    Microsoft Exchange Online vs Encryptomatic OpenPGP
  7. 7
    MailHippo Free trial apiWebWin $4.95/mo7.0
    Microsoft Exchange Online vs MailHippo
  8. 8
    SecureMyEmail Free plan WinMaciOSAndroid Free7.0
    Microsoft Exchange Online vs SecureMyEmail
  9. 9
    Virtru Email Encryption WebWinMaciOSAndroid $119/mo6.9
    Microsoft Exchange Online vs Virtru Email Encryption
  10. 10
    c.Email Free plan extension Free6.8
    Microsoft Exchange Online vs c.Email
  11. 11
    FlowCrypt Free plan extension Free6.8
    Microsoft Exchange Online vs FlowCrypt
  12. 12
    Gpg4win Win 6.8
    Microsoft Exchange Online vs Gpg4win
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