Common Problems and their Solutions

The information contained in this section will help you solve problems with Outlook. While some of the problems are related to bugs (which may or may not get fixed), many of the problems are just how Outlook was designed, which doesn’t necessarily fit with how we want to use it. Other problems are caused by the interaction between Outlook and other programs or Outlook add-ins.

Newest articles and recent updates are listed here. For a complete list of all articles, please visit the Problems Index

3 Ways to Run PST Recovery (and a Better Alternative)

Why do organizations need to run a PST recovery? Is it because users love to save so much email that their PST files exceed all reasonable storage limits and then blow up – putting hundreds or thousands of business critical emails at risk? Or is it because they try to store these enormous PSTs on  

Outlook and iCloud 2: What you need to know

iCloud 2 adds one big feature: ability to be default data file, but is limited to plain text notes/comments and other issues.

Convert an Offline File (.ost) to a Personal File (.pst)

Oftentimes, Microsoft Outlook users who are leaving their current employer want to take their mail, calendar, or contacts with them and do one of two things – delete the Microsoft Exchange account from their profile without realizing the Contacts are stored in the Exchange account or they take the OST file with them, not realizing  

Cannot start Microsoft Office Outlook Error Message

I'm not sure what is causing the problem, but we're seeing a rash of complaints with the following error: Cannot start Microsoft Office Outlook. Unable to open the Outlook window. Invalid XML, the view cannot be loaded. The users run Office Diagnostics in an attempt to fix it on their own but it finds no  

The Stationery and Font button doesn't work

When Outlook's Stationery and Fonts button is grayed out or won't do anything when you click it, you may need to edit the registry.

Outlook hangs while opening messages

A bug in Outlook allows a malformed "web bug" url to bypass the blocked external content setting. As a result, content that would normally be blocked by the Block External Content may be downloaded.

How to repair a damaged Outlook Personal Folders file (pst)

How to repair a damaged or corrupted Microsoft Outlook pst file, personal folder or data file and recover your Outlook email, calendar and contacts. In many cases you can repair your data file using the free Inbox repair tool (scanpst) that Microsoft includes with the Outlook installation.

Messages are stuck in the Outbox

Common problems and their solution when email is stuck in the Microsoft Outlook Outbox and won't send.

Repair a large Outlook Personal Folders File (over 2GB)

Microsoft Outlook limits the size of older Personal Folders .pst files and offline folders .ost files to 2GB. If a new or changed item increases the size over than limit, you will not be able to use the .pst or .ost file. Even if you delete items from the server mailbox, the .ost file will not synchronize.

Remove a password from an Outlook *.pst File

How to remove a password from a Personal Folder (.pst) file in Microsoft Outlook.

Outlook is sending winmail.dat attachments

Outlook uses a proprietary email format that only Outlook and Exchange (and a few other clients, including gmail) can decipher. When the recipient doesn't use Outlook, they get plain text message and an attachment named winmail.dat (the attachment icon may be hidden by some clients, including OE and Windows Mail). Any attachments included in the message are encased in the winmail.dat attachment.

Messages are Double Spaced for the Recipient

When messages are double spaced for the recipient, you need to customize your paragraph settings.

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