If you are trying to post payment by CHECK against a vendor/supplier before invoice received, see this will work for you.
From the home page screen
- Select Create “+” sign (upper-middle)
- Select Check form under Vendors
- Select Vendor/Supplier and provide other information
- Select Account = Account Payable Under Account Details header
- Save
This will leave credit balance against that vendor/supplier on Accounts Payable account. So, you will to enter actual expense bill to clear this credit A/P balance.
If you are paying by credit card or debit card, the whole process is the same. Just choose “Expense” form under Vendor header.