Microsoft Dynamics GP has a handy calendar that you can use to drill directly into dates. This makes selecting dates using your mouse incredibly easy and efficient if you know how to use it. To access the calendar click on the calendar button that is visible in any date field in GP.
An easy way to stay organized when working with Office 365 and D365 is to use personas in Google Chrome. Personas allow you to setup a separate profile without setting up a separate Gmail account. Each persona you set up has its own list of bookmarks, extensions, and settings.