Step 1:
To export your TCWorkflow Contacts, you will first need to go to your Contact List.
Step 2:
From there, click on Options and then Export contacts. This will give you a CSV file you can then use to import your contacts to a different software such as Open To Close.
If you are importing these into Open To Close, follow along with this article to learn how to import them: How To Import Contacts From a Spreadsheet.