> For the complete documentation index, see [llms.txt](https://thisdot.gitbook.io/data-mapper-for-mailchimp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thisdot.gitbook.io/data-mapper-for-mailchimp/how-data-is-synced/data-sync-frequency.md).

# Data sync frequency

### Automatic syncing

Data will sync to your Mailchimp audience automatically if you have the respective checkbox selected on the Data Mapper settings page for the items you'd like to have automatically synced. You can automatically sync items such as customers, invoices, quotes, subscriptions, and charges as they happen in Stripe.

### Manual syncs

For situations where you need to sync data on demand, use the **Sync Now** button in the app. This initiates a bulk transfer of data, including customers, products, and purchases, to your Mailchimp audience. The sync respects your settings for customer information, such as whether to include phone numbers, addresses, or names, and updates existing contacts accordingly. Running a manual sync is generally straightforward and low-risk, making it a reliable option for one-time updates or data alignment.


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