Trying to re-connect my Shopify store with Quickbooks Online account after a "purge company" reset to start over. It will not bring in the data after several attempts.

I understand how important it is to retrieve all your Shopify’s data, @PigRooster13. Allow me to provide you with another option to help you redeem all the transactions to QuickBooks Online (QBO). 
 

Considering that you’ve already purged the company in QuickBooks, all the transactions were permanently deleted and cannot be retrieved.

Since there’s no way for QuickBooks to recover all the data, I recommend contacting Shopify so they can advise you on the best next actions.

In addition, you can browse this article to guide you on how you can connect your bank accounts to QuickBooks Online: Connect bank and credit card accounts to QuickBooks Online.
 
If you have further questions or concerns with the processes within the program, please let me know by replying below. You can count on me. Take care. 

Yes this worked thank you!

You're most welcome, PigRooster13.

I'm happy that my colleague was able to assist you in achieving your goal. Rest assured that we will continue to give the best customer service you ever experienced.

Let us know if you have other concerns in the comments below. We're always here to assist.

It's better to use third party apps like Synder. A few clicks and you're done, it saves me a ton of time every day, so I would recommend using it like Shopify + Synder + QuickBooks. And as far as I know, they have a lot of integrations, so I think it's worth checking out anyway

You can try using third party apps. For example, use Synder for Shopify + QBO and it works great. I don't remember any major issues, but their support works very well, so I guess you can ask them if you have any issues.