1. Run Excel Export To Multiple CSV Files Software.
2. Click the "Add Excel File(s)" button to add files. Then an open file dialog will appear, hold CTRL or SHIFT key to select multiple files. To add all files in a folder, click "Add All Excel Files in Folder" then select a folder.
3. To start printing the selected files, click the "Export to CSV" button.
How to Export Excel Files to PDF Files
Convert one or more MS Excel files into PDF format without Adobe Acrobat. Export a block of selected cells or entire sheets. Excel 2000 or higher required.