Flag emails in Mail on iPad
In the Mail app , you can flag your emails, create flagged mailboxes, and flag emails from VIPs.
Flag an email
You can flag an email to make it easier to find later. An email you flag remains in your Inbox, but also appears in the Flagged mailbox.
Open the email, tap
in the bottom-right corner of the email, then tap Flag.
To choose a color for the flag, tap a dot.
To change or remove a flag, open the email, tap
in the bottom-right corner of the email, then tap another color, or tap Unflag
.
Flags you add to an email appear on that email in Mail on all your Apple devices where you’re signed in with the same Apple ID.
Tip: You can add the Flag button to the Mail toolbar to make it easier to access. See Customize the Mail toolbar.

Create a Flagged mailbox
You can add a Flagged mailbox so all your flagged emails are easily accessible in one location.
Tap
in the upper-left corner.
Tap Edit, then select Flagged.
Flag emails from your VIPs
Add important people to your VIP list, so their emails appear with a VIP flag and in the VIP mailbox.
While viewing an email, tap the name or email address of a person in the email.
Tap Add to VIP.
Block email from specified senders
To block a sender, tap their email address and select Block this Contact.