If I create a billing that affects the purchases account, it automatically affects an account payable account. How can I modify this "background account payable account"?

I'd be glad to join you here and help with your question, monica-rodriguez.

When creating a bill in QuickBooks Online, it'll automatically apply to Accounts Payable. The program uses this account as the default one.

If you'd like to move the transaction, we can create a journal entry. Here's how:

1. Go to the + New button and then select Journal Entry.
2. Select the default A/P account in the Account column, then enter the amount in the Debits column.
3. Look for the other account in the second line and enter the amount in the Credits column.
4. Enter all details such as date, name of the vendor, and transaction number.
5. Once done, click on Save and close.

For more details about the process, please see this article: Create a Journal Entry in QuickBooks Online.

Additionally, I've added these articles that'll help you manage your vendor transactions and your special accounts in QuickBooks Online:

• View Supplier Transactions
• Manage Default Accounts in your QuickBooks

Please keep me updated if you have additional questions about the process. It's my priority to ensure your record is accurate.