Hi @Brad Tostenson
Per my research, there is no ootb method to update the link.
As a workaround, you could create a new list from excel of manager. In this case, as the excel for manager include the information of excel for employee, you format a table then create a list from that. For example, I have an excel:
Then I create a list from it:
OK, the preparation have been done, then we could use power automate to update the list according to the excel, the flow is as following:
Then if the excel have been updated, you could use this flow to update the list "employee" which just need to grant the read permission for the employees.
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