Recycle bin is feature that user to retrieve deleted list and list items—Document n doscument libraries. User can find recycle bin @ bottom of page .
Hmm default item deletion period is 30 days .But if you want to increase/decrease deletion period then follow me….
- Go to Central administrator —>Manage Web Applications under application management heading
- Select application—>General settings—>Scroll up to Recycle bin section
- Here we go —Enter value in After textbox is 90 —>Ok
Now Item deletion period is 90 days.