Well, this is a limitation of CSV and it will not affect the original workbook (.xlsx file) After this, Excel will tell you that the selected file does not contain workbooks with multiple sheets.Click on the drop-down arrow next to Save as and highlight CSV (Comma delimited) (*.csv).Select a location to save the resultant file.Open excel workbook that you want to import to Outlook distribution list.Below is how to convert an Excel workbook to CSV to import email addresses from Excel to Outlook distribution list: It is so because MS Outlook provides an option to import CSV files instead of Excel workbook with multiple sheets. The simplest way to export Excel file to Outlook contacts is to save the Excel file as comma separated value (.csv). The complete procedure is divided into three major steps: Step 1. You can import your spreadsheet that contains business as well as personal contact information to Outlook distribution list manually.
