Outlook is the email program offered by Microsoft. There are so many versions of outlook that are being released till now and all these releases added advantages to the previous version of Outlook. This email program comes as a package along with Microsoft office, but Outlook express is a free form of the outlook email program which could be easily downloaded for free from Microsoft website. All the features offered by the outlook express is almost the same and it provides a website kind of a feel when compared to the outlook console but both of them connect to the Microsoft exchange server for sending and receiving of emails.
For keeping the size of the mailbox there are options for you to delete the unwanted data to clean up the space. But sometimes what happens is mistakenly we might delete some important mails. One good thing with these mail services is that it will not directly delete the mail at the first attempt itself but it moves the deleted emails to trash folder and once if it is deleted from trash then the email is completely deleted from the server. If at all you cleared the trash mistakenly and if you want the recover deleted emails from Outlook Express, there are few software available that could help to recover the lost emails. This software could also help in importing the mails from other data files to your data file in the outlook express. Hence these softwares comes very handy in recovering the lost data.