A QuickBooks file that's set to read-only will open in QuickBooks but you won't be able to edit it. Often files appear as read-only because of the type of media they are stored on.

Double-click the "QuickBooks" icon in the folder. Double-click the name of your company's file on the QuickBooks startup screen. Press and hold the "Ctrl" key and press "1." ...

QuickBooks for Mac’s new income tracker provides an excellent overview of your business’ financial health. I know the question you’re going to ask first and the answer is, “no.” ...