When can I edit data in a query? You can always edit the data in a query when the query is based on either only one table or on two tables that bear a one-to-one relationship to each other. يمكن إدخال البيانات في استعلام اذا كان مبنياً على جدول واحد او جدولين فقط  بعلاقة رأس لرأس    https://support.office.com/en-us/article/edit-data-in-a-query-6ca3edfc-6d66-4d90-8219-c2b258d5bed7