If possible, soak raisins in bowl of water for 5-20 minutes before using. Dry well.
Heat oven to 350°F.
In large bowl, beat butter and sugars on medium speed of electric mixer until creamy.
Add eggs and vanilla; beat well.
Add flour, baking soda, cinnamon and salt; mix well.
Add oats and raisins; mix well.
Drop dough by rounded tablespoonfuls onto ungreased cookie sheets.
Bake 8 to 10 minutes or until light golden brown.
Cool 1 minute on cookie sheets; remove to wire rack. Cool completely. Store tightly covered.