Microsoft is adding .msix and .msixbundle files to the blocked attachment list in Outlook on the web and the new Outlook for ...

Microsoft is adding two extra file types to its Outlook block list to strengthen security. The file types are .msix and ...

Say goodbye to .msix and .msixbundle files in your email (unless your admin whitelists them).

Microsoft announced that it will add .msix and .msixbundle attachments to the list of blocked attachments in Outlook Web and ...