Outlook 2016 users with POP3 accounts that are downloading mail over and over or deleting it from the server when Outlook is set to leave it on the for a period of time, see Outlook 2016 POP Account Problems. This problem affects Outlook 2010 users with multiple POP3 accounts delivered to one *pst file: Outlook
Outlook error: 'error preparing to send sharing message'
Fix error message users receive when they try to send a sharing message after sharing the calendar with another user, they receive a message that there was an error preparing to send sharing message.
Edit and Save Outlook's Read-Only Attachments
Solutions available! When attachments are opened from a message in Outlook 2010, they are read-only. Users cannot edit the attachment and save the changes back to the message, they need to save the attachment to the hard drive and reattach it.
The end date you entered occurred before the start date
If you attempt to define Calendar working hours that span midnight in Microsoft Outlook, you will receive the following error message: When you create a new appointment or meeting request, you may receive the following error message: The end date you entered occurs before the start date. This problem occurs when you enter a meeting
Outlook Start Menu Shortcuts
This is actually a Windows7 and Vista tip with an Outlook angle. It works in older versions of Windows as well, but only with the QuickLaunch toolbar. (Outlook 2010 uses Win7's jump list capability for shortcuts for new items. ) A user asked this question: I'd like to have a shortcut in my system tray
Outlook 2010 and Online Presence with Communicator 2005
Communicator 2005 is not supported in Outlook 2010. While you can use both on the same computer, integration, such as online presence indicators and starting an IM session in Outlook, will not work. This will not be fixed. Options > Contacts > Display online stats next to name will show as enabled but is greyed
Changing the default *.pst and *.ost data file sizes
The default size of a Unicode pst or ost is 20 GB (Microsoft Outlook 2003 or 2007) and 50 GB for Outlook 2010. While this size is fine for most people, it can be raised (or lowered) by editing the registry.
How to Backup your Outlook Account Settings
Methods and utilities you can use to back up Microsoft Outlook profiles, accounts and personal settings (i.e., Tools, Options settings).
How to Change the Mapping Service used by Outlook's Map Link
How to change the Map service that Outlook uses for the MapIt feature in Outlook Contacts to use your favorite map website.
Opening XML files in Outlook
A user had a problem opening xml attachments they received by email. Double clicking on the xml attachment in Outlook 2007 always returns an error: Access is denied. Error processing resource. file:///C:/path/filename.xsl. This file does exist in that path on the computer. I found a KB article #303487 that says to save the XML to