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Pausing vs Stopping

Both pausing and stopping a Workflow will prevent any emails from sending until you resume the Workflow, but there are a few key differences.

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Pausing a Workflow

When you pause a Workflow, you can resume the Workflow at any time. During the pause, all contacts that were scheduled to receive an email will receive it once you resume the Workflow. However, this assumes that these contacts still meet the necessary criteria to receive the email (e.g., they are subscribed and match any audience filters or other conditions you’ve set). New contacts that match the Trigger conditions while the Workflow is paused will enter the Workflow but only within the first 24 hours. Contacts that qualify for the Trigger after the 24-hour mark will not enter the Workflow.
We will notify you via email once the 24-hour period has elapsed, reminding you that contacts will no longer queue to enter the Workflow if you resume it.
The 24-hour limitation prevents contacts from entering a Workflow that has been paused for an extended period and receiving irrelevant emails. For instance, if your Workflow sends a welcome email to new contacts, you wouldn’t want a contact to join the Workflow three months after signing up and receive a welcome email.

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Stopping a Workflow

Stopping a Workflow will not queue any new contacts to enter the Workflow. Any contacts that were queued to enter the Workflow will not enter the Workflow. That’s the key difference between pausing and stopping a Workflow.