QuickBooks Online only allows you to file your 1099 once. For updates or corrections, you can do it in a printed copy and manually sending it by mail to the IRS. You can file the amended form by following the steps below:
I'm here to provide some insights regarding the 1096 form and to guide you on how you can send a 1099 amendment.
QuickBooks Online allows you to file your 1099's electronically. However, amendments need to be done manually. You can print a copy and mail it to the IRS.
On the other hand, I'd like to let you know that based to the IRS's most recent publication on Form 1096, those that file their 1099-MISC forms electronically (such as with Intuit's E-file service) do not need to submit a 1096.