Had an account for at least 9 years which is linked to several products that contain assets of mine, I have not used the email account for 3-4 years until now.  I have discovered that the email is in use and has been for a long time and is linked to a Facebook account, Xbox live and a Microsoft account non of which are anything to do with me.  The security question to the account has been changed and the account also has an alternate email address that is nothing to do with me.  I'm concerned that it may jeopardize my assets but as of yet they have not been affected.  I can get to the "provide info" page where it asks for folder creation, names of recently contacted, Xbox live account and card details etc.  Non of which I can provide as its been so long under this other persons use.  The only real info I could provide is other passwords I may have used on the account.  I hadn't worried or been concerned with not accessing the email until I found it been used by an imposter.   I still use the email address to sign into various software's but they have always had different passwords.  I'm completely stuck as to what to do to get the account back, any ideas ???