Is it necessary to delete PM's
 

If so how would one do that? Thank you

it is not necessary to delete PMs until your inbox/sent are full. to delete them all, go to the bottom of the page and find Folder Controls... within the verbiage is says Empty Folder - just click on it. i can't exactly recall, but i think you have to do it for the inbox and then switch to sent and do the same thing.

you can also use the checkboxes to select and delete some but keep others.

if you want to keep your PMs "forever", download them to your computer before you delete them from your board storage boxes. the "link" for that is at the bottom of the page when you are viewing either your in or sent PMs.

i always use the CSV format. it will open easily in most spreadsheet programs. it will also import easily to most database applications.

Thank you QuiltnNan and PatriceJ for the information.