Gmail Addressbook or email ids to Outlook
-->Login into gmail click or select contacts in the left pane as shown in the below PIC and click export button on top right corner.

click on the image to enlarge

-->Now select My contacts from the list box and Outlook CSV options and click export button and save it on desktop or any other folder

-->Now open outlook click on file menu and choose import/export-->Import from another program

click on the image to enlarge


-->give the link of file in the desktop and click finish now your gmail ids will be in your outlook

Yahoo Addressbook or email ids to outlook
-->Login into yahoo mail and select contacts in the right top corner as shown in the below PIC and click Addressbook on the left pane

click on the image to enlarge
-->Now select import export option on right and choose appropriate file format to export such as outlook, yahoo, thunderbird as shown in the pic below

-->Now open outlook click on file menu and choose import/export-->Import from another program-->give the link of file in the desktop and click finish now your yahoo ids will be in your outlook

Import and Export email address and contacts between gmail and yahoo
importing the contacts between yahoo and gmail id is simple just export the file from yahoo or gmail in Microsoft outlook format .csv and save it to the desktop

-->if it is gmail import it to yahoo else
-->if it is yahoo import saved csv file to gmail

suggestions about any free software tool or technic which is simple and better than this will be really appreciated....