Can someone please help me with the 5 piece attachment restriction in outlook.com?

I would like to send more attachments sometimes, and I also have a trouble with replies sometimes because of this rule. :)

All of a sudden I am unable to send any more email messages today because the is a daily quantity restriction?  Why now when I have never had this issue before?
my forwarded e mails with attachments are limited to 5. please lift 5 attachment restriction on (removed for security reasons)