In pm. Search by particular sender as well as by particular receiver both are available and we can search it by filter feature
In pm box filter is there. Filter word is written just above where we write page number Click on filter . It will give three box
First box is of search by user
Second box is search by title
Third box is search by status tha is t inbox and out box read unread
If u want to search by inbox then click on inbox
Then write user name in user search box and click it then in second box write title and then click on search button it will give all pm related to particular user name
Same thing applied with out box
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