If you want to adjust the undo send time frame settings and adjust the send cancellation period to gmail recall email then you must follow these steps:-
1. The first step is to go to Gmail on your device and then tap on the gearshift icon which is present at the top right corner of the Gmail homepage of your account.
2. Then find and click on the see all settings options from the top of the Quick settings menu.
3. Now scroll down the undo section and change the send cancellation period timings.
4. Then finally click on Save changes.
