Outlook 2010 Reading Pane Slows Startup

W Peavy

Member
Outlook version
Outlook 2010 32 bit
Email Account
IMAP
Outlook 2010 has been slow to start. The Outlook startup splash screen just sits there for longer than seems useful. After some time, Outlook opens and seems to work 'properly'. I've found that turning off the Reading Pane GREATLY speeds up the process of starting Outlook.

My Outlook contains two (2) IMAP accounts plus one HTML Exchange account. I've no idea if this is relevant.

But is there a fix for the Startup inertia I'm attributing to Reading Pane?

Thanks...
 

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
Usually when it sits on the splash, its running a data file repair in the background. Do you have outlook set to download external content? If a message is selected that has external content, it can slow it down and turning off the reading pane would definitely help.

Which folder is set as the default to show when you open it?
 

W Peavy

Member
Outlook version
Outlook 2010 32 bit
Email Account
IMAP
Hi Diane,
It's been so long, I've forgotten about "download external content" or how to manage it.
The default folder is Inbox.
So help me, it never fails; when I enable Reading Pane, very slow startup; when I disable Reading Pane, prompt startup.
What is Reading Pane doing that keeps it so busy?
 

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
That is in File > Options > Trust Center > Automatic download.

The reading pane is trying to render the mail. Why its taking so long could be because its trying to download content or because an imap account is set as the start folder and imap accounts take longer to load.
 
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