How to Select your Default Signature with MyThinkCloud.com
Overview
If the professional IT engineers from Think Technologies Group migrated your email to MyThinkCloud.com, then your signatures have been copied over, but still need to be manually selected by you.
Selecting your Default Signature
Open Outlook
Click File Options
Click Mail Signatures
On the right, click the drop down next to New Messages and select your default signature. If you would like, you can repeat this from Replies/forwards. Then click OK.
You will need to click OK again.
To verify this is working, create a new email and verify your default signature is populating.