All databases and sizes.sql

SELECT
    D.name,
    F.Name AS FileType,
    F.physical_name AS PhysicalFile,
    F.state_desc AS OnlineStatus,
    CAST((F.size*8)/1024 AS int) AS [FileSize (MB)]
    --CAST(F.size*8 AS VARCHAR(32)) as SizeInBytes
FROM 
    sys.master_files F
    INNER JOIN sys.databases D ON D.database_id = F.database_id
ORDER BY
    [FileSize (MB)] DESC