Category Archives: Outlook 2019

Outlook: Remove the "External" label left to the From field

If you are using Outlook and you are connecting to Exchange Online, you might see (depending on what your IT administrator has set) a big "External" label to the left of each From field on each email that has an external sender. This can be quite distracting, expecially if 95% of all your emails are coming from external senders. You can remove that "External" label, by replacing the "From" column with a custom "From" field. Here is how to do it: In Outlook, go to View > View Settings Click Read more [...]

Outlook: Prevent Office 365 Login Prompts

Sometimes, it happens in my Outlook 2019 (connected to on-premise Exchange 2019), that I get an Office 365 Login prompt (although I do not have an Office 365 Account). This might happen if the on-premise Exchange server is not reachable or too slow to respond. To prevent this from happening, you can disable the Office 365 autodiscover via Registry. Just add the following key to the Windows Registry of the PC with the Outlook client: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover ExcludeExplicitO365Endpoint Read more [...]

Outlook: Don't Show Message Body in Email List

When you move from Outlook 2010 to Outlook 2013 or 2016, you will find that in the list of Emails, Outlook has added a 3rd line: Sender Subject Start of email body I wanted to remove that 3rd line as it only takes space and it normally only contains stuff like "Hello John" which adds no real information. So I thought I could go to the View setting and change Maximum number of lines in compact mode = 2 But I still saw 3 lines in my email list! It took me quite a while until Read more [...]