Export : It is used to export the Salesforce Data(excluding recycle bin’s data) into your local system.
Export All : It is used to export the Salesforce Data(including recycle bin’s data) into your local system.
Note:
1. Deleted records will be in Recycle Bin only for 15 days.
2. If IsDeleted value is true, then the data is deleted and from the Recycle Bin.