It's not possible to restore any messages sent more than 48 hours ago.
If you're missing parts of conversations that took place between 0 and 48 hours ago, request a restoration.
Specify the point of time (in the last 48 hours) when your Conversation History looked right.
When a restore is attempted, all saved Messenger and Mail messages received after your requested point of time will be deleted.
Before requesting a restore - Manually back up any conversations or emails that you want to save.
Forward your emails to another email account (like another Yahoo Mail account).
Print your emails or instant messages that you'd like to save, or save them as a text file.
The process isn't guaranteed and we may not be able to recover your missing messages.
We'll notify you of the success or failure of the restore attempt.
If you'd like us to attempt a restore, please fill out the Mail and Messenger restore request form.