You will need
- Internet access, registration on the website "Vkontakte".
Go to your profile on the website "Vkontakte", fill in the fields for a username and password. Next, select from the list of options to the left of the main photo on your page, the position of the "My messages" (sixth on the list). Click on it once with left mouse button. Thus, you will be taken to a page with all my correspondence. First you will see the received messages from all your contacts.
On this page, in its upper part, near the indication of the number of all dialogs (for example: "You got 5411 messages") click once with the left mouse button on the option "Show messages". After that, you will see a page with all of your posts since registering on the site.
If the message is not much, then you can delete them individually, one at a time by clicking on the "Remove" option with the left mouse button once, located on the right side of each message. If the number is quite large, in the top of the page on the left side look for the line "Select: all, read, new." Press left click on the option "all", then on the right side of messages in the squares will appear at the show. Then in the top right corner of the page, find the "Delete" button and click on it once with left mouse button. A second later the message will disappear.
Will be removed after the operation, only those messages that are currently opened on the page. If a lot of them, the algorithm of removal should be executed several times. Once sent messages you're finished, you can pass in the tab "Sent" and "Spam" at the top of the page, and in exactly the same way to clean them.
Delete the messages you have discretion, because if you do not clear the message, the quality of the site "Vkontakte" did not suffer.