Is the only way to keep transactions in QB for years is by downloading them into CSV file? I keep losing entries when I use bank connection.

Welcome to the Community, @lncpropertiesllc. Let me share some insights about bank transactions in QuickBooks.

When you connect your bank account to your QuickBooks account, it will save all the transactions. You can remove them by disconnecting the bank.

Yes, you can also download the transactions into a CSV file to ensure you will never lose the record and can upload them easily to QuickBooks just in case there will be a system issue and lose data.

Additionally, here are articles you can refer to if you encounter errors with your bank accounts connected to your QuickBooks account:

• Fix bank errors 102 and 105
• Fix bank error 108
• Fixing banking error 324 in QuickBooks Self-Employed
• Common Online Banking Errors
• Find help with bank feeds

Lastly, you can skim through the topics from our help articles for your references in the future.

Let me know if there's anything else I can help with your bank account to QuickBooks. I'm more than happy to help.