Letro Help Center¶
Everything you need to use Letro — the secure, end-to-end-encrypted messenger for work. Whether you're signing in for the first time, securing your account, or administering a silo, start here.
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Getting started
Download Letro, create your account, set up your profile, and take a quick tour.
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Security & encryption
Understand end-to-end encryption, set up secure backup, save your recovery key, and verify devices.
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Dedicated Server
A private, encrypted communication environment on dedicated infrastructure for regulated teams.
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Messaging
Send and format messages, share files, record voice messages, use threads and reactions.
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Letters
Secure, letter-style long-form messages that stay inside Letro's encrypted environment.
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Calls & meetings
Start voice and video calls, share your screen, and manage calls in progress.
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Organizing conversations
Create silos and workspaces, sort your silo list, and control notifications.
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Settings & your account
Personalize the app, manage devices, change your password, and recover access.
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For admins
Roles and permissions, access and privacy, history visibility, and moderation.
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Troubleshooting & support
Fix common issues, report a bug, and reach Letro support.
New to Letro? Start with What is Letro, then secure your account with Set up secure backup and Your recovery key. Have a quick question? Check the FAQ.