Filers can easily import up to 10,000 stock transactions from hundreds of Financial Institutions and up to 20,000 crypto transactions from the top crypto wallets and exchanges.
But, often there are still more and then you can enter summary transactions by sale types.
You can enter totals on your 8949, then mail a copy of your statements within 3 days of filing.
To enter a stock sale in Turbo Tax:
Go to Income.
Select I'll choose what I work on.
Go down to Investment Income.
Click Start or Update by Stocks, Mutual Funds, Bonds, Other.
Select the broker and choose I'll type it in myself.
On the Tell us about...screen, select I'll enter a summary for each sales category.
You won't have to put the dates of each sale.
Address them to (with Form 8453 as a cover sheet):
Internal Revenue Service
Attn: Shipping and Receiving 0254
Receipt and Control Branch
Austin, TX 73344-0254
If you're paper filing a 1040, find your state here.