when you delete mail it leaves holes in the data base.
compacting just gets rid of the holes and makes WM run more smoothly.
just do not disturb the compacting till it gets done.
personally I find that 100 closing is too long to wait, and have mine set to compact at 5 closings.
mikeyhsd@comcast.net
"sirsally" <sirsally@discussions.microsoft.com> wrote in message news:93F11E6E-8716-40CB-82B0-B25109DDD3B0@microsoft.com...
"Carol in GA" wrote:
> I've had Vista installed for almost a month now and this evening I keep
> getting a message when I close Windows Mail that says:
>
> "Windows Mail can compact the message store. This can take a few minutes."
> and asks "OK or Cancel"
>
> What is this?