Until now, if you lost or broke your phone, your Signal message history was gone, a real challenge for everyone whose most important conversations happen in Signal. So, with careful design & development, we’re rolling out opt-in secure backups.

Secure backups will let you save an archive of your Signal messages remotely in privacy-preserving form, refreshed daily.

Now available in the latest Android beta release, rolling out to iOS & Desktop soon

https://signal.org/blog/introducing-secure-backups/

Introducing Signal Secure Backups

In the past, if you broke or lost your phone, your Signal message history was gone. This has been a challenge for people whose most important conversations happen on Signal. Think family photos, sweet messages, important documents, or anything else you don’t want to lose forever. This explains wh...

Signal Messenger

@signalapp

  • Why is this remote-only?
  • Where is my backup stored, exactly?
  • What guarantees are you giving concerning the availability of one's backup?
  • Why is this still, in 2025, all tied to smartphones, and to phone numbers, with desktop applications being only second-class citizens of the ecosystem?
  • @tuxwise @signalapp you can already do an on device backup. You can even make it do the backup every day. Write down the encryption key, and keep it in a safe place. No remote needed. This has been available at least in android for years.
    @quixoticgeek @tuxwise @signalapp and they're no longer tired to phone numbers... *I believe*, there are user names you can use now. Although I've not.