How-To: QA an Imported List
Before You Begin
Ensure you have an Audience list to QA.
If you don’t, please visit How to Create a New List via SFTP (that Automatically Updates) for instructions on creating one.
QA for Successful Import
Hover on the 3 dots at the right side of the row of your audience list and then click Import History

You should see a screen that looks like this showing all in progress and completed imports

This will help confirm the import occurred successfully
QA for Correct Data
Go back to all lists

Go to Segments and click Create New Segment

Select the CRM list to QA

Click Preview without adding any filters

You should be able to inspect non-hashed data in your list.

If all looks good, your list is ready for segmenting.
Related articles
Please visit How-To: Create an Audience Segment (and Filter to a Specific Audience) for a tutorial on how to segment on your list to target a specific audience.