Microsoft has revamped many of its internal apps to match both the design aesthetic and increased functionality in Windows 10, and what we’ve gotten in the new OneNote is no different.
The usual reason for placing a mailbox on hold is to retain its contents for some legal or regulatory purpose. However, the situation might arise when it is necessary to remove some items from a mailbox that is on hold. For instance, someone might successfully sue your company to demand the removal of all information pertaining to them or some particular activity. If ordered to permanently remove the material, there is little you can do but comply.