Microsoft Outlook Signature : Location of the File

Another simple post - Where is the location of Outlook Signature ? It is at........

C:\Users\<UserID>\AppData\Roaming\Microsoft\Signatures



So there are 3 files : 

*.htm - for HTML email format
*.rtf - for Rich Text email format
*.txt - for plain Text email format


all of them can be edited via Microsoft Word. simple as, aye?