We have an add in that works with user properties set as Outlook.OlUserPropertyType.olInteger I have been asked to integrate that with MSGraph. According to thi
how to develop ms excel ribbon functionality not COM add-ins or VSTO add-ins. Using visual studio Thank you I want to implement excel ribbon functions to valida
I'm developing an MS Word add-in. In newer MS Word editions, there is the "FILE" option in the menu bar which opens an interface where you can select a recent d
I iterate all AppointmentItem.Recipients. For each and every Recipient I use the following utility method to retrieve the recipients "normal" SMTP email-adress:
BACKGROUND: Currently I am searching Outlook.MailItems where their UserProperty (here, "IsProcessed") is equal to its propertyValue (here, true or false). st
I have a VSTO addin with Outlook. I currently use the "Sent Items" Folder in my Items.ItemAdd() event to intercept the email to process and save it into a depos
I have created an Outlook mail item and want to save it in a folder as a sent mail. I was able to set sender mail using mail.SentOnBehalfofName. How do I add Da
I have an Outlook add-in that monitors sent items and moves specific emails to a folder. I am not sure what have changed, but when I send an email, I get this e
I am currently developing an Outlook VSTO-AddIn using C#. I want to read certain attributes of each mailItem. (E.g. SenderName, SenderEmailAdress, etc. .. ) As
We have user with 3-4 shared email address in Outlook. I am developing add-in where it will extract the email address of selected store and will get it's contac
I have simple problem, but dont know how to figure out. My VSTO addon use Outlook for create new email. But email which user fill in the Application Outlook isn
I need to open mail file attachment directly from mail. Let say I have .txt file. I have already attached it to my mail. But now I need to open it, change some
I have created a C# VSTO add-in with Visual Studio 2019 that receives commands from a socket connection and it can insert text, modify buttons only in my ribbon
I am adding a new excel file to a SharePoint Library. The Library requires check-in or check-out. When closing the excel workbook, a dialog pops up in the backg
I develop an Outlook VSTO add-in in C#. I need to read existing appointments from shared calendars to see busy time slots. I have the publishing editor permissi
I'm developing a VSTO add-in for Outlook, Now I get a bounce back email, which included message ID. How can I trace the original email from this message ID in
screenshot 1: screenshot 2: BACKGROUND: Currently I am searching for a word in the subject of email in VSTO add-in. My syntax is: string filter = "urn:sc
I am working on a project where I have to embed the content of the current word file as a word document in the current document. I don't want to save the origin
With the Outlook UI you can add an email address to your junk-email list, you can add a domain name as trusted domain, but you can't add a domain name to your j
I created an add-on for outlook using c#. It is proposed to connect to external Document Management System(DMS) and upload documents/emails into it. And now I w