This tutorial assumes that you have already logged in to Plesk.
Now let's learn how to modify an existing hosting account.
It may become necessary to modify an account if an existing customer needs more storage space, bandwidth, or other resources.
1) Click Domains icon here.
2) Select the necessary account here.
3) Then click Modify link here.
Now let's increase Disk space and Traffic values for the selected account.
4) Choose Value option here and enter the desired value in the text box.
5) When ready click OK to save the changes.
That's it! The disk space and traffic values have been successfully updated for demo1234.com account.
This is the end of the tutorial. You now know how to modify existing accounts in Plesk by changing the limits assigned to them.