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Best File Encryption Tools in 2026
When you need to send protected email or attachments, encryption tools can differ in how they manage access, recipients, and delivery. Compare admin access controls, recipient verification, secure delivery, and message expiry, along with attachment limits. Gmail and Outlook integration can help you check fit with your existing setup; free-plan availability and paid-from pricing add cost context. FlowCrypt, c.Email, and SecureMyEmail are among the entries shown. Consider the email service you use and whether recipient checks, attachment size, or message expiry matter to your workflow.
- 28 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
SecureMyEmail
by SecureMyEmailFree plan AndroidiPhoneMac+2Choose SecureMyEmail if you want end-to-end encrypted email with an existing provider and need access on desktop and mobile platforms.
- 2
DataMotion Secure Email Exchange
by DataMotion Secure Email ExchangeFree plan AndroidAPIiPhone+1Choose DataMotion Secure Email Exchange if an organization needs encrypted email, recipient access without portal steps, and message tracking.
- 3
Virtru Email Encryption
by Virtru Email EncryptionFree plan AndroidAPIExtension+5Choose Virtru Email Encryption if your email workflow needs link-based secure delivery, identity verification, message expiry, and Outlook or Gmail integration.
- 4
Send It Secure
Free plan APIExtensioniPhone+2Choose Send It Secure if your organization needs encrypted email messaging with recipient verification, message controls, and Outlook support.
- 5
- 6
Mailvelope
by MailvelopeFree plan ExtensionWebMailvelope provides PGP encryption for supported webmail, with key management and attachment support.
- 7
Lockbin
Free plan LinuxMacWeb+1Lockbin provides password-protected message access, encrypted storage and transit, and file collection options for paid users.
- 8
- 9
Secure Message
Free plan LinuxSelf-hostedWebChoose Secure Message if your team wants a self-hosted mail gateway with filtering, quarantine and administrator controls.
- 10
- 11
Gpg4win
Free plan WindowsChoose Gpg4win if you use Windows and want file or email encryption with Outlook integration and administrator access controls.
- 12
Encryptomatic OpenPGP
by Encryptomatic OpenPGPFree plan WindowsEncryptomatic OpenPGP combines local, end-to-end message encryption with file signing and Outlook integration on Windows.
- 13
PDF Postman
by PDF PostmanFree plan WindowsPDF Postman focuses on turning Outlook messages and attachments into password-protected PDFs, with several ways to handle attachments.
- 14
- 15
- 16
Virtru Data Security Platform
by Virtru Data Security PlatformPaid AndroidAPIExtension+6Choose Virtru if you need controls that can travel with shared data and support access revocation, audit telemetry, and multiple deployment models.
- 17 5.7 Visit site
- 18
Mimecast Secure Messaging
by Mimecast Secure MessagingPaid AndroidiPhoneMac+2Mimecast Secure Messaging provides portal delivery with sender controls and automated policy triggers for sensitive email.
- 19
Trustifi Outbound Shield
by Trustifi Outbound ShieldPaid APIExtensionMac+2Choose Trustifi Outbound Shield if your organization needs policy-driven encryption and controls for outgoing email.
- 20
Sophos Secure Message
by Sophos Secure MessageFree trial WebChoose Sophos Email if your organization needs inbox threat protection alongside email encryption and data loss prevention.
- 21
Proofpoint Email DLP and Encryption
by Proofpoint Email DLP and EncryptionPaid AndroidiPhoneWeb+1Proofpoint combines email content detection, policy-driven encryption, and centralized incident review.
- 22
Paubox Email Encryption
Paid WebChoose Paubox Email Encryption if your team needs link-based encrypted email, password verification, and Outlook or Gmail integration.
- 23
Symantec PGP Gateway Email Encryption
Paid LinuxSelf-hostedWeb+1 - 24
Cryptshare.express
by Cryptshare.expressPaid WebCryptshare.express provides portal-based delivery with password verification and expiring messages. Review the subscription billing details, VAT exclusion, and transfer limits before selecting a plan.
- 25
Microsoft Exchange Online
by Microsoft Exchange OnlinePaid AndroidiPhoneMac+2Exchange Online combines hosted business email with administration, security, and compliance capabilities.
5.3 Visit site
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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