Creating an Outlook Signature through C#

Andre Cloete

I need to urgently create a C# app where users complete their name, phone number and title that creates an HTML signature for them. Can anyone help me please? It needs to work from XP to 2010.

Any help would be greatly appreciated.

7 Replies

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Javeed M Shaikh15y ago
Accepted answer
Hi Andre,

Outlook signatures are stored in the following folder for XP:

:\Documents and Settings\\Application Data\Microsoft\Signatures

and following folder for vista:

:\Users\\AppData\Roaming\Microsoft\Signatures

these are normal html or txt files and you can create that using the filestream objects in C#.

Please do not forget to mark "Accepted Answer".
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Javeed M Shaikh15y ago
No problem Andre, I am glad that we could help.
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Andre Cloete15y ago
Thanks Javeed you are my hero!!!
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Javeed M Shaikh15y ago
for this you need to make registry changes at the following location (make sure you have applied Office Service Pack 2):

HKEY_CURRENT_USER\Software\Microsoft\Office\\Common\MailSettings

add the entries as :

NewSignature
ReplySignature
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Andre Cloete15y ago
I want to set the newly created signature as default yes.
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Javeed M Shaikh15y ago
do you want to set your newly created signature as the default signature for OutLook or use in your c# code for sending email and add this newly created signature over there?
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Andre Cloete15y ago
Thanks Javeed.
How would I let Outlook know to use my created signature though and not the 5 others that might have been created already?
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