You will have to do each one separately. You could delete the individual entries and enter the sales manually in summary form, which typically entails making just a few entries. However, the IRS recommends that you mail your return in so you can include a copy of your sales entries with the tax return if you do that.
I have the same problem with over 200 transactions (these are option sales so the $0 cost basis is correct).
If I go with the "enter summaries" suggestion does it mean I should not be e-filing my returns?
You can enter your transactions as summaries and then e-file the return. You may be asked to send the record of transactions by postal mail.
In come cases, when you enter a non-covered transaction (one that was not already sent to the IRS), TurboTax will prompt you to upload a pdf copy of the brokerage statement to be send with your return.
If you need to print and file any forms and a copy of your brokerage statement, TurboTax will let you know when you file the return.
Enter Stock Transaction Summaries
@iaroslav