How to Open an LDB File in Windows 7. Microsoft Access, available as part of Microsoft Office, allows business owners to manage their databases and develop software applications.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

Navigate to the Access file that you want to encrypt. Click the small arrow next to the "Open" button. Select "Open Exclusive" from the drop-down menu to open your Access database in Exclusive mode.