You may find it annoying to have to individually mark every email on your iPhone (or iPad) as read. Here is how you can mark all of the messages in your mailbox as read or unread.
1. Launch the Mail app and see your mails (a blue dot means the message is unread)
2. Tap Edit
3. Tap Mark All
4. And select Mark as Read or Mark as Unread
Obsessed with tech since the early arrival of A/UX on Apple, Sudz (SK) is responsible for the editorial direction of AppleToolBox. He is based out of Los Angeles, CA.
Sudz specializes in covering all things macOS, having reviewed dozens of OS X and macOS developments over the years.
In a former life, Sudz worked helping Fortune 100 companies with their technology and business transformation aspirations.