Office 365 HTML signature size length character limit
Does Office 365 have a character, size, length limit in it's HTML signature settings?
IMPORTANT: Update 31st August 2016. We tested installing our email signatures directly into Outlook Office 365 today and there is no more character limit! You can now install your email signatures directly into Outlook Office 365 and there is no need to use our Browser Extension. You can now install your email signatures directly into Outlook Office 365, following this guide.
Yes, Office 365 does have a character, size, length limit in it's HTML signature settings. This has been confirmed by Office 365 support in this post on their support forum.
What is the size, character, length limit in Office 365?
The size limit is 8kb.
What is Office 365's official response to the size limit in Office 365?
Posted by Kevin Cui, on 14th January 2013
"The signature size limit is 8 kb for html and text signature and currently could not be changed. Based on current situation, to better meet your requirements, I suggest you submit feedback via the following link.
The new features releases often originate from customer’s feedback. In the feedback description, please specify your situation and requirement in detail. In addition, we welcome you to keep your eye on the forum for any updates on the features that you are concerned about. Your efforts and patience are highly appreciated.
How to install a signature in Outlook Office 365 without any limitations on characters
We now support Outlook Office 365 (BETA).
Install our new Outlook Office 365 Email Signature Rescue Browser Extension. No more character limits!