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Articles in Outlook 2010 Category

Slipstick Systems

Event ID 27: Calendar Folder property is missing (fixed)

Fixed: After installing Office 2010 SP2 (or an earlier update), Outlook 2010 users may receive Event ID 27, "Calendar Folder property is missing" warnings in the Event viewer's Application log. While annoying, it's not harmful and should only be generated when Outlook is first started, one event for each calendar in the profile.

Error message: The internet fax service requires Outlook 2010

Outlook error message: The internet fax service requires Outlook 2010.

No drop down calendars in Outlook 2010 Print Options

In Outlook 2010's calendar print options, the drop down calendars are missing for the start and end dates.

Outlook is slow when using mapped drives

Outlook is slow when using mapped drives, even if you don't want to use the mapped drive. It tries to connect to every drive before you can insert attachments.

Outlook 2010 Rules and Alerts Button is Disabled

How to fix: After upgrading to Outlook 2010, the Rules and Alerts option on the File tab is grayed out and disabled.

Partial Word Searches in Outlook 2010

Two users who recently upgraded to Outlook 2010 came to me for help using search. The first user wanted to search for partial words, which is not supported by Instant Search. The other user used Office search (.oss) files to find all mail received between and including two dates in his previous version of Outlook  

IMAP: Fix for Two Messages Merged

Outlook 2010 and IMAP bug: message headers belonging to one message and the body from a second message are merged. The messages are fine on the server and the problem is with Outlook.

Setting Out-of-Office in Outlook 2010 and up

A user had this question: "When I restart Outlook after being Out of Office, the reminder doesn't come up to remind me to turn the Office Assistant off." That is how it works in Outlook 2010 and up. Instead of a pop up, there is an Infobar under the ribbon. The Office Assistant button on  

Opening Attachments using the Keyboard

We're getting quite a few complaints from Outlook users who used the context menu in older versions of Outlook to open attachments while viewing the message in the reading pane. In previous versions of Outlook, users could select a message then use the Context menu key on the keyboard to simulate a right-click, then press  

Outlook's Conversation Groups

We hear a lot of complaints about the Conversation Groups that were introduced in Outlook 2010. They don't work as expected with Exchange 2003 or 2007, conversations don't stay expanded, and the old conversation view from older versions is not available. The conversation group features uses a Conversation field to determine if the message belongs  

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Recent Bugs List

Microsoft keeps a running list of issues affecting recently released updates at Fixes or workarounds for recent issues in classic Outlook (Windows).

For new Outlook for Windows: Fixes or workarounds for recent issues in new Outlook for Windows .

Outlook for Mac Recent issues: Fixes or workarounds for recent issues in Outlook for Mac

Outlook.com Recent issues: Fixes or workarounds for recent issues on Outlook.com

Office Update History

Update history for supported Office versions is at Update history for Office

Outlook Suggestions and Feedback

Outlook Feedback covers Outlook as an email client, including Outlook Android, iOS, Mac, and Windows clients, as well as the browser extension (PWA) and Outlook on the web.

Outlook (new) Feedback. Use this for feedback and suggestions for Outlook (new).

Use Outlook.com Feedback for suggestions or feedback about Outlook.com accounts.

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New Outlook Articles

Open Outlook Templates using PowerShell

Count and List Folders in Classic Outlook

Google Workspace and Outlook with POP Mail

Import EML Files into New Outlook

Opening PST files in New Outlook

New Outlook: Show To, CC, BCC in Replies

Insert Word Document into Email using VBA

Delete Empty Folders using PowerShell

Warn Before Deleting a Contact

Classic Outlook is NOT Going Away in 2026

Newest Code Samples

Open Outlook Templates using PowerShell

Count and List Folders in Classic Outlook

Insert Word Document into Email using VBA

Warn Before Deleting a Contact

Use PowerShell to Delete Attachments

Remove RE:, FWD:, and Other Prefixes from Subject Line

Change the Mailing Address Using PowerShell

Categorize @Mentioned Messages

Send an Email When You Open Outlook

Delete Old Calendar Events using VBA

Repair PST

Convert an OST to PST

Repair damaged PST file

Repair large PST File

Remove password from PST

Merge Two Data Files

Sync & Share Outlook Data

  • Share Calendar & Contacts
  • Synchronize two computers
  • Sync Calendar and Contacts Using Outlook.com
  • Sync Outlook & Android Devices
  • Sync Google Calendar with Outlook
  • Access Folders in Other Users Mailboxes

Diane Poremsky [Outlook MVP]

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Choosing the Folder to Save a Sent Message In

Run Rules on messages after reading

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