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I'm syncing a large amount of content and keep getting errors on Air Flow

Fix unexpected sync errors on unstable connections by updating to Air Flow v4.1.40

Written by Lauren Ford
Updated this week

If you’re syncing a large amount of content and keep getting transfer errors or failed uploads and downloads in Air Flow, start by updating Air Flow and then work through the in-app error-resolution steps from least to most disruptive.

⏫ Update Air Flow (v4.1.40 or later)

Update to Air Flow v4.1.40 or later to use the updated error-resolution flow and Force Resync improvements. To check for updates, select the Air icon in your menu bar, select the gear icon, then select Check for updates.


🔎 Review transfer errors

Transfer failures can show clearer error states, including a connection-specific message when Air Flow loses connection during an upload or download.

  1. Retry: Wait a few minutes, then retry. This is the first option to try for interrupted transfers.

  2. Save a copy or Delete local file: Bypass the error and force Air Flow to continue syncing.


🧑‍🔧 Use the error-resolution steps (progressively)

In Air Flow, open Status. If you see that sync has stopped, try these options in order:

  1. Retry: Wait a few minutes, then retry the sync. This is the first option to try for temporary disconnections or interrupted transfers.

  2. Replace <item/folder> from cloud: Replace the local version of the affected item/folder with what’s stored in the cloud.

  3. Replace local workspace: Reset conflicts across your local workspace from the cloud and start fresh.

  4. Force resync everything: Delete local workspace data and replace it with what’s in the cloud. This can be a more thorough alternative to reinstalling Air Flow in some cases.

Important: Before you use any replace or force resync option, back up anything that hasn’t been synced yet.


⚖️ Stabilize your connection

If you’re on a network known for dropouts, switch to a wired ethernet connection. You can also pause other bandwidth-heavy activities (like streaming or large downloads) while sync completes.


🔻 Use smaller batches

If errors persist, split very large syncs into smaller groups of files and retry.


Need more help? If you’ve updated to v4.1.40 or later and still can’t complete a sync, contact support via the in-app messenger or email help@air.inc.

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