Follow these methods if you don’t know how to do
gmail search within date range using search operators:-
1. The primary method is by searching the emails before a certain date and for that you just have to go to the search bar and type ‘Before:YYYY/MM/DD’.
2. The secondary method to find emails in your Gmail is after a certain date and for that you have to type ‘After:YYYY/MM/DD’ and then press Enter.
3. Users can also find emails in between certain dates by typing ‘After:YYYY/MM/DD Before:YYYY/MM/DD’ and press Enter.