Mich. Ct. R. 5.133
As amended through April 11, 2024
If a will filed for safekeeping under MCL 700.2515 remains unopened 100 years after the date it was filed with a court, the will shall be opened by the probate register and maintained in accordance with MCR 8.302. Upon opening, the will shall be considered a will delivered after the death of the testator and shall be retained for the period prescribed in the record retention and disposal schedule established under MCR 8.119(K).
Mich. Ct. R. 5.133