I tried to sync between my mac and iphone(never had this problem before) and it said I had to download from or upload to Ankiweb and then it deleted like 3 days worth of cards that I had made. Anyway of getting back?

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Reading: I tried to sync between my mac and iphone(never had this problem before) and it said I had to download from or upload to Ankiweb and then it deleted like 3 days worth of cards that I had made. Anyway of getting back?

It sounds like this is an Anki sync/backup issue between AnkiWeb, your Mac, and your iPhone, and not something specific to AnkiHub.

Because of that, the best place to get accurate help is the official Anki support forum:
:backhand_index_pointing_right: https://forums.ankiweb.net/

While you’re waiting on them, here are the key things you can try in Anki Desktop (on your Mac) to recover the lost cards:

  1. Check Anki’s automatic backups

    • Open Anki on your Mac
    • Go to File → Switch Profile → [your profile] → Open Backups (or File → Open Backup depending on version)
    • Look for a backup from before the sync that deleted your cards
    • Restore that backup and see if your 3 days of cards are there

  2. Decide which device has the correct data

    • If your Mac has the correct cards after restoring a backup, then in Anki on Mac:
      • Go to Tools → Preferences → Network
      • Check “On next sync, force changes in one direction” and choose Upload to AnkiWeb
      • Sync, then on your iPhone choose Download from AnkiWeb when prompted
    • If your iPhone still has the correct cards, do the same process but treat the iPhone as the “good” copy and overwrite the Mac.

  3. Important going forward

    • Whenever Anki asks you to upload or download, stop and think which device has the version you want to keep. Choosing the wrong one will overwrite the other side.

Since this isn’t directly related to AnkiHub (shared decks, AnkiHub syncing, etc.), detailed troubleshooting is outside the scope of this forum. For step‑by‑step help, please post your situation (what you chose: upload vs download, which device had what, and what you tried so far) on:

If later you run into any issues specifically with AnkiHub decks or the AnkiHub add-on/web app, feel free to post those here in this category.

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Hello,

This is related to Anki specifically. AnkiWeb is Anki’s cloud backup service. Please be careful, as choosing “Download” will overwrite the data on your device with the version from the cloud. Conversely, choosing “Upload” will overwrite the cloud data with what is currently on your device.

Therefore, it is important to know whether your local collection or the cloud version is the most up-to-date.

If an accidental overwrite occurs, you can always restore from a backup created before the incident. Here’s a tutorial: How to Restore from Backup

Let us know if you need help with anything else!

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