1 In your Windows 10 Mobile App list, open Outlook Mail. 2  Select the Hamburger Icon (the 3 horizontal lines) in the top-left corner. 3  Select the Settings (Gear) Icon in the bottom-right corner. 4  Select Accounts. 5  Select + Add Accounts. 6  From Choose an account, select Exchange: Exchange, Office 365.
Mantle (geology) The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies. For a mantle to form, the planetary body must be large enough to have undergone the process of planetary differentiation by density.
3. mantle-the layer of the earth between the crust and the core. layer-a relatively thin sheetlike expanse or region lying over or under another. geosphere, lithosphere-the solid part of the earth consisting of the crust and outer mantle.lower mantle-the deeper part of the mantle.t consists mainly of silicate minerals and has an upper, partially molten part and a lower, solid part. The upper mantle is the source of magma and volcanic lava. 2. The layer of soft tissue that covers the body of a clam, oyster, or other mollusk and secretes the material that forms the shell.