In order to import a chart or list of contacts into Gmail, follow these steps:

Highlight all of the chart or list and copy (right click and select "Copy" or press "Ctrl + c")
Paste into an empty Excel Spreadsheet (right click and select "Paste" or press "Ctrl + v")
Go to "Save as" (not "Save", "Save As"!) Put in the name of the file. Underneath there is a section called "File Tye" Click on it and select "CSV" from the drop-down menu. Save.
Go to the "Contacts" section of your Gmail account. On the left side bar, near the bottom, is an option to "Import Contacts". Click on that and "Browse" to choose the Excel file that you saved. Click "Import"