Use the “Bank Account” drop-down to the right to select the account from which to withdraw the funds. You can also select the “Add new” choice from the drop-down menu to quickly add a new name and select the type of person. This person can be either a vendor, customer, or employee. Use the “Payee” drop-down in the upper-left corner of the window to select the name of the person to pay. Then click the “Check” link under the “Vendors” heading in the drop-down menu to open a “Check” window. To write a check in QuickBooks Online, click the “+ New” button in the Navigation Bar. This video lesson on how to write a check in QuickBooks Online is from our complete QuickBooks Online tutorial titled “ Mastering QuickBooks Online Made Easy.” Write a Check in QuickBooks Online: Overview This video lesson, titled “ Writing Checks,” shows you how to write a check in QuickBooks Online. QuickBooks Desktop (PC/Windows) 2022-2015.Mac OS Ventura-Mojave Keyboard Shortcuts.