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Volume 30 Issue 25

Slipstick Systems

Issue Date: August 14, 2025 « Previous Issue | Next Issue »

The following articles were included in our Exchange Messaging Outlook (EMO) newsletter published on August 14, 2025.

EMO is a weekly publication. To receive your own copy of EMO by email, subscribe here.

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Today's Highlights »

  • Open Multiple Messages in Tabs
  • Remove Outlook Permissions from Google Accounts
  • Error Opening iCloud Appointments in Classic Outlook
  • Edit Contact Button Not Working in Classic Outlook

Open Multiple Messages in Tabs

A user wanted to know when Microsoft would add tabbed browsing to Outlook, “like we now have in Notepad”.

While tabbed messages are unlikely to ever make it into classic Outlook, it is possible now in new Outlook and Outlook on the web.

Composing messages are tabbed at the bottom of the reading pane and you can open incoming messages in tabs. Clicking on a message displays it in the reading pane, replacing the message that is already there. If you want to open the message in a new tab, right click on the message and choose View (at the bottom of the menu) then select Open in new tab.

If you want to open multiple messages at once, select them and right click View > Open in new tab.

Remove Outlook Permissions from Google Accounts

If you previously allowed Outlook access to your Google account (or any other email app) and want to revoke access, you need to log into your Google Security Settings then click on Third-party apps & services near the bottom of the page. Select Microsoft apps & services then click on “Delete all connections you have with Microsoft apps & services” to remove app permissions. Repeat for any other apps listed that you no longer use.

This link should take you to the right page: https://myaccount.google.com/connections

If you want to add your Google account to Outlook or other apps, you are required to allow access to Google accounts. If you don't want to allow this or want to use POP, you need to enable 2-step verification and use an app password to sign in.

Error Opening iCloud Appointments in Classic Outlook

Users are reporting an error message when they try to open iCloud appointments synced to classic Outlook.

The error message:
To help prevent malicious code from running, one or more objects in this form were not loaded.

This is an ActiveX error. You can fix it by changing the ActiveX settings in Word’s Trust Center.

In Word, open File > Options > Trust Center > Trust Center Settings > ActiveX Settings. You’ll need to select “Enable all controls without restrictions and without prompting (not recommended; potentially dangerous controls can run) controls”. Also enable “Safe mode (helps limit the control’s access to your computer)”.

Edit Contact Button Not Working in Classic Outlook

When you view the full size contact card in classic Outlook, either in the People view or double clicking on an address in an an email message, you can click on the three dots and choose Edit Contact. This is not working as version 2507.

The Edit Contact option is only broken in the full-size contact card. If you are using the People view in contacts, double click on the contact to open it for editing. You can also right click on the contact and choose Edit contact.  When opening the contact from an email message, right click on the address and choose Edit Contact or click the three dots in the mini contact card and choose Edit Outlook Contact.

If you routinely use the full size contact card, Microsoft fixed it in version 2508, which is available now for users in Beta Channel or Current Channel Preview. Current channel users will get this fix in the August updates at the end of the month.

New & Updated Microsoft 365 & Exchange Server Support Articles

Application pool stops responding and performance is affected after MSIPC is enabled

Exchange Server fails to export eDiscovery search results to a discovery mailbox

Incorrect ACE is modified through public folder management in Outlook

Description of the security update for Microsoft Exchange Server 2019: August 12, 2025 (KB5063221)

Description of the security update for Microsoft Exchange Server 2019: August 12, 2025 (KB5063222)

Description of the security update for Microsoft Exchange Server 2016: August 12, 2025 (KB5063223)

New & Updated Outlook Support Articles

Classic Outlook Contacts that have an X509 S/MIME certificate added to the Global Address List can no longer be edited with Operation Failed error

Error when opening a saved .MSG file twice in classic Outlook

Outlook desktop alert notifications open behind other applications

The Edit Contact button stopped working with Version 2507 in classic Outlook

Other Resources

Dedicated Hybrid App: temporary enforcements, new HCW and possible hybrid functionality disruptions | Microsoft Community Hub

Introducing more control over Direct Send in Exchange Online | Microsoft Community Hub

Released: August 2025 Exchange Server Security Updates | Microsoft Community Hub

Volume 30 Issue 25 was last modified: August 15th, 2025 by Slipstick

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  • This operation has been cancelled due to restrictions
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  • Disable "Always ask before opening" Dialog
  • Autoaccept a Meeting Request using Rules
  • Remove a password from an Outlook *.pst File
  • Opt out of Microsoft 365 Companion Apps
  • Mail Templates in Outlook for Windows (and Web)
  • Urban legend: Microsoft Deletes Old Outlook.com Messages
  • Buttons in the New Message Notifications
  • Move Deleted Items to Another Folder Automatically
  • Open Outlook Templates using PowerShell
  • Count and List Folders in Classic Outlook
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  • Import EML Files into New Outlook
  • Opening PST files in New Outlook
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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.

Other Microsoft 365 applications and services




New Outlook Articles

Opt out of Microsoft 365 Companion Apps

Mail Templates in Outlook for Windows (and Web)

Urban legend: Microsoft Deletes Old Outlook.com Messages

Buttons in the New Message Notifications

Move Deleted Items to Another Folder Automatically

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

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

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