WDB files are used in Windows Work Database, and since they are discontinued, you need to use one of these methods to open WDB files ...

What are thumbs.db files in Windows 11/10? View them with these thumbs.db viewer freeware. Can you turn off or delete thumbs.df files? Learn all here.

An LDB file, also called an access lock file, prevents multiple users from making changes to a database at the same time. Access normally deletes LDB files when a user closes a shared database.

Thumbs.db is a system file that contains the thumbnail cache–a collection of thumbnail images for photos, documents, Web pages, and so on–for a particular folder.

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.