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To back up your logbook, open settings, tap backup & restore, then tap back up everything. The app builds three CSV files (your dives, the equipment used on each dive, and each dive’s types) and opens your phone’s share sheet so you can save or send them. A backup holds your logbook only: photos, certifications, gear and the rest of the app are not included.

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Make a backup

1

Open backup & restore

Open the menu and tap settings. Under app, tap backup & restore.
2

Tap back up everything

Under your logbook, tap back up everything. The app shows preparing your backup… while it reads your records.
3

Choose where the files go

Your phone’s share sheet opens with all three files. Save them to your files or a cloud drive, or send them to yourself. When they’ve gone, the app confirms the backup is ready.
If you close the share sheet without choosing anything, the app shows export cancelled and nothing is saved.

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You need a connection

A backup is built from the copy of your logbook on SCUBAzen’s servers, not from what is stored on your phone, so it can’t leave dives out. That means it needs a connection. Offline, or on a connection too slow to finish, the backup fails with a message saying the app couldn’t build that file. Connect and tap back up everything again.

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What’s in the three files

Every backup contains all three files. Each file name ends with the date of the backup, for example scubazen_logbook_2026-10-09.csv. Rows are in dive-number order. The files use plain column names, dates written as year-month-day, and the words yes and no, so they open in any spreadsheet app.

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What a backup does not include

None of these are in any of the three files:
  • Dive photos. See Dive photos.
  • Certifications, including card photos.
  • Insurance policies.
  • Your gear list and its service history.
  • Trips.
  • Your packing list, your kit, and your settings such as units and sizes.
  • Travel agent conversations.
The paperwork PDF prints some of your certification and insurance details, but not card photos. Nothing in the app exports your photos, gear or travel agent conversations.

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Restore from a backup

Only the logbook file can be brought back into SCUBAzen. On the same backup & restore page, tap import a logbook and choose your scubazen_logbook file. See Import a logbook for the review screen and how numbering works.
  • The equipment and dive-type files can’t be imported. They are a record you can read, not a restore.
  • The logbook import has no field for these logbook columns: suit, how the weight and suit felt, helium and nitrogen percentages, current, safety stop, deco details and altitude. On the review screen they appear under not brought in, left out by default. To keep them, tap each one and choose the dive’s notes. They come back as text in the notes, not in their own fields.
  • Dives already in your logbook are skipped, so restoring into a logbook that still has those dives brings nothing in.

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Before you delete your account

Deleting your account destroys far more than a backup can save. Read Delete your account first.