Learning how to write a check can prevent costly mistakes. Follow this step-by-step guide so you can avoid any errors.

If you write a check to newlyweds using both their names ... While the Emily Post Institute OK'd online "funds," like for a honeymoon, in its wedding registry etiquette guide, Senning points ...

Endorse the check: Sign the check before scanning it. Your bank or credit union may also require you to write “For Online Deposit Only,” “For Mobile Deposit Only” or something similar ...

MORE: Best ways to send money online Which is safer ... which is similar to writing a check. (Learn more about how to fill out a money order.) If you lose the money order before filling it ...

Common mistakes when writing checks While you may do the majority of your banking online these days, there might still be times when you need to write a check. To avoid potential security issues ...