You can save a backup of your MS SQL databases to a single file on your hard drive. These backup files have names ending with the ".bak" file extension, and you use them to restore database ...

How to Restore a SQL Database From a .MDF File. Computer database software such as Microsoft's SQL Server benefits all types of businesses, as it makes recordkeeping fast, flexible and secure.

Procedure to move Microsoft SQL Server database to a new location, painlessly, if you’re running low on disk space, added a new drive array, or just curious.