Select "New" Then "Spreadsheet Attribute Import" then "OK" to open window shown below
1) Use the Filename Folder to brouse and find the import spread sheet.
2) Use the Data source Name window shown below to Name the Import [Optional if desired]
3) Fill out the Entity Type & matching Entity then select sheet, column, [example - Reliability] Object Column and where to place the Attribute [Reliability]
4) Depress "Update Now"
5 All the Attributes for an object can be imported without resetting anything but "Column to Import" and Attribute location below and eachtime choosing "Update Now"