If your telegram messages are missing or deleted and you don’t know how to recover them, just follow some valuable steps, given below:
Login to your telegram account and then click on the 3 horizontal lines and then the setting button.
After then, click on the “Advanced” option
And after then you will see the “Export telegram data” option, click on it, and export all Telegram messages.
Read more: https://ityug247.com/recover-deleted-telegram-messages/