There are many formulas to add a comma after the first word in a cell. In case you have a list arranged across a column, you can replicate the formula across the list using the Fill option. Add a ...

Capturing and organizing customer or prospect email addresses is the first basic step toward compiling a mailing list. If you've used Microsoft Excel to enter and organize the addresses, the next step ...

If you have a list of email addresses in an Excel spreadsheet, you can import this into a Mac Address Book by converting the Excel file into a text-based Comma Separated Value file. Address Book can ...