applemac pro

[monkeywiener]

how do you completely erase msn conversations and internet history on one of them?

[fo3nix]

What client software are you using? the official MSN client, or something else like Adium?

Regardless, most apps store their data in ~/Library/Application Support/

Find the folder with the name of the app you've been using, perhaps check that it has your data inside it, and drag it to the trash can.

[monkeywiener]

thank you do you find that in finder?

[monkeywiener]

i cant find msn in library :(

[fo3nix]

Yea. Click your username on the left pane, with the house icon. Then navigate to library. Then the application support.

Though, it may be easier to just look in the settings of the MSN app and see if it has a button to remove them for you.