One of the great things about modern smartphones is how easy it to do everything on one device – and that includes managing your accounts. Google lets you quickly pick which Google account you want to ...

To switch between inboxes, tap the Profile icon in the upper-right corner and choose an email address. Another option is to install the provider's app. Outlook and Yahoo have their own apps. This ...

Using more than one Instagram account has become increasingly common. You might have one profile for personal posts, another ...