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 ...

Open the Files app. In the left navigation panel, choose the drive containing the file. Find the file in its folder, then double-click to open it. Alternatively, right-click the file and select Open.

What this email-friendly file is and how to get it open.

iPhones can capture photos and video in high-efficiency formats which is great for image quality but can be a headache to open on your Windows PC.

A co-worker or colleague has shared folders and files with you from their Microsoft OneDrive storage. Now you have to determine the best way to access those shared items.

File History will automatically back up critical folders and files in Windows and help you restore them.