What Automation Studio Activity sequence is effective for unsubscribing customers using an encrypted file?

The sequence involving File Transfer, Import File, Query, Data Extract, and another File Transfer followed by Import File is effective for unsubscribing customers using an encrypted file due to its comprehensive approach to handling data securely and ensuring accurate processing.

Initially, the File Transfer activity securely retrieves the encrypted file containing the unsubscribed customer data. This step is essential as it ensures that the data remains protected during the transfer process.

The subsequent Import File activity then processes this transferred file, bringing the data into the appropriate staging area within Automation Studio. At this point, the data can be reviewed or manipulated in a controlled environment before further actions.

Following the import, executing a Query allows for selecting or filtering the data based on specific conditions, which is particularly useful for identifying which customers need to be unsubscribed. The Query activity plays a pivotal role in refining the data set to ensure only the intended recipients are affected by the unsubscribe action.

After querying, a Data Extract activity can be used to create targeted lists or results based on the previous query, allowing for the output of unsubscribed customer information that can be used for additional processing or reporting.

Finally, a second File Transfer and Import File activity is executed. This step enables you to ensure that the unsubscribed customer data is securely