Is there a way to convert .dex files to .accdb format.
Converting Microsoft Excel Spreadsheets directly to Microsoft Access 2007 Databases (.dex to .accdb conversion) is certainly possible and quite straightforward.
Use the original software, Microsoft Excel, which allows users to export their .dex spreadsheets as .accdb files.
We are not aware of any third-party solution for this conversion.
A popular spreadsheet application distributed with Microsoft Office suite