Thank you for connecting with the QuickBooks Community, tmcsales. Great news, there are numerous ways to import and export information in QuickBooks Desktop to new company files. You can import and export by MS Excel, using CSV files, import and export IIFS, import bank transactions with Web Connect, and so on.
As far as transactions and lists, you can import items such as Charts of Accounts, Vendors, Employees, Classes, Payment Methods, to name a few. Transactions you can import include account beginning balances, invoices, checks, purchase orders, general journal entries, and many more.
This article is very resourceful for more information on the lists and transaction types and ways to import and export information. To answer your question about the banking reconciliation aspect, I encourage you to contact your accountant to see the best approach for your business. If you don't have an accountant, I got you! QuickBooks offers a ProAdvisor service, where you can connect with experts within your area. Here's how:
- Click this link to find a ProAdvisor.
- In the Find an expert in section, select what you're looking for, and then use your search field to add a City or ZIP code.

- Select Search.
- Browse through the results and find one that works best for your business.
If you have any questions about migrating activities, I'm just a post away. Have a wonderful day!