You may have breathed a sigh of relief after filing your 2017 income tax return (or requesting an extension). But if your office is strewn with reams of paper consisting of years’ worth of tax returns, receipts, canceled checks and other financial records (or your computer desktop is filled with a multitude of digital tax-related files), you probably want to get rid of what you can. Follow these retention guidelines as you clean up. General rules Retain records that support items shown on your tax return at least until the statute of limitations runs out — generally three years from the due date of the return or the date you filed, whichever is later (four years for California). That means you can now potentially throw out...