How To Delete All Messages In Google Messages?

Open Google Messages

Tap your profile icon or the three-dot menu

Select Messages settings if needed

Open Advanced or General settings if available

Tap Delete all conversations or similar option if shown

Confirm the deletion

To delete messages from a single chat

Open the conversation

Tap the three-dot menu

Tap Delete

Confirm

To delete multiple conversations at once

Long-press one conversation

Select additional conversations

Tap Delete

Confirm

If no delete-all option appears

Delete conversations one by one

Or clear app storage from your phone settings to remove all local messages