Feb 18 2019 06:15 PM
Feb 18 2019 11:51 PM
Well those are two different formats, and my guess is that Exchange doesn't see the xls file as "archive" type, on which a password can be set/checked for.
Feb 18 2019 11:58 PM
But if try create rule on exchange online and sent xls then it can dectect and reject message .Exchange Local then can not