Apple has released a major update to the macOS Big Sur operating system in the form of 11.6.7 Big Sur. It has basically preceded the current macOS Monterey release.
This update has been directed towards people that are still using the Big Sur operating system on their Macs. This update that goes by the name of macOS Big Sur 11.6.7 is ready to be downloaded free of cost on all eligible Macs while using the Software update section of system preferences.
In the release notes of this update, the company has made it clear that this update will solve the problem of Mail and other applications such as Outlook to not open the attachments properly.