If you have Exchange Database (EDB) files and want to convert them to PDF online, follow these steps:

1. Open Outlook: Launch Outlook and log in with your credentials.
2. Access Options: Click on the "File" menu, then select "Options."
3. Navigate to Add-ins: In the Options window, go to the "Add-ins" section.
4. Manage COM Add-ins: In the "Manage" drop-down, select "COM Add-ins" and click the "Go" button.
5. Enable Acrobat PDFMaker: Check the box for the Acrobat PDFMaker add-in and click "OK."
6. Select Messages or Folders: Choose the messages or folders you wish to convert to PDF.

Please note that this is the only manual method to convert EDB files to PDF. For a more efficient solution, consider using software like Goldytools EDB to PDF Converter, which is highly reliable and user-friendly.