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

Red X's in Email Messages

If you have red x's in your Microsoft Outlook email instead of images and are allowing automatic download of images, you need to delete files from the SecureTemp folder.

This operation has been cancelled due to restrictions in effect

How to fix the error: "For more info, please contact your help desk" or "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator." comes up when you click on a hyperlink in Outlook and other applications.

Can't import CSV or move Outlook items into EAS Accounts

Solution for error messages when importing into Outlook.com: "Operation cannot be completed because the service provider does not support it"

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.

Say No! to Compatibility Mode

Enabling Compatibility mode in Windows 7 will cause problems in Outlook, including operation error messages and problems creating accounts or new data files. Tutorial shows how to check compatibility settings.

Hotmail and MSN Access Denied?

Understanding the Access Denied Error when attempting to access a Hotmail/MSN account in Outlook. This is caused by one of two reasons: there is a problem with the server or you are trying to use the old HTTP account type.

Remove a password from an Outlook *.pst File

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

Application failed to start because MSVCR80.dll was not found.

This error often caused by add-ins installed by Norton security products, but if you have an Acer computer, the eDataSecurity add-in for Outlook may be the cause. Note that these two applications are the most well-known cause but other applications may cause it as well. Unloading the offending add-in will usually fix it, if not  

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.

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  

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.

Outlook won't open: This functionality requires Internet Explorer 4.0 or above

How to fix the Outlook error "this functionality requires Internet Explorer 4.0 or above" when you have a newer version of Internet Explorer.