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Volume 28 Issue 28

Slipstick Systems

Issue Date: November 16, 2023 « Previous Issue | Next Issue »

The following articles were included in our Exchange Messaging Outlook (EMO) newsletter published on November 16, 2023.

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

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Today's Highlights »

  • Using To-Do in New Outlook
  • Outlook.com Devices List
  • Using Microsoft 365 business account in New Outlook
  • My last reminder: Personalized Outlook.com Addresses

No issue of Exchange Messaging Outlook next week as it is the US Thanksgiving holiday.

Using To-Do in New Outlook

A user switched to the new Outlook and wondered what happened to their To-Do list. They had tasks in the To-Do app but Tasks are not available in new Outlook’s My Day:

“My Microsoft account address is my Gmail address. When I sign into Outlook in the web with my Microsoft account, I can use To-Do and see the Tasks in My Day. I have the tasks on my phone too. But I don’t have them in the new Outlook? “

The To-Do list in My Day will only be available if you have an account added to new Outlook that has To-Do - which are Microsoft accounts with Outlook.com addresses (including Hotmail, Live, MSN, and personalized addresses in premium Outlook) or Microsoft 365 Work or School accounts.

Because your Microsoft address is Gmail, it’s added to Outlook as a Gmail account, not a Microsoft account. You can use the Gmail address to sign into To-Do in a browser (loaded by the blue checkmark in the vertical bar on the left side of Outlook), or the separate To-Do app, but it won't show in My Day in new Outlook because the Gmail account is connected to the Gmail servers, not the Microsoft account.

To view your To-Do’s in My Day, add an outlook.com alias to the account and use that to sign into new Outlook. That will pull your To-Do’s in My Day.

When you add Gmail, iCloud, or Yahoo accounts to new Outlook, you’ll have a calendar and contacts as these sync from your account’s mailbox.

Outlook.com Devices List

A user asked about the Mobile Devices list in Outlook.com settings, on the General page at https://outlook.live.com/mail/0/options/general/mobile.

He has one iPhone but several entries on the list for an iPhone and wondered if he could delete them.

Yes, the extras can be deleted. If you clear the entire list, you’ll be signed out on your device, but you can check the properties of the connection before deleting the entry to see if its an active connection. Note: If you have an entry for UniversalOutlook, that is the Windows Mail app (microsoft.windowscommunicationsapps).

1. Select an entry to display the Edit button (pencil icon). This will bring up the properties for that device, including the first and last sync.
2. If the last sync time is old, you can delete the entry.

He also wondered why the phone was not listed on his Microsoft account’s devices list in his Microsoft account.

Those devices are where Microsoft 365 software is installed, and only includes windows computers (including Windows tablets) but not mobile devices or MacOS. MacOS, iOS and Android devices will be on the devices list in Outlook.com settings.

Using Microsoft 365 business account in New Outlook

If you have a business account that does not include an Office subscription, such as Business Basic or Exchange Online Plan 1, you will not be able to add the account to new Outlook. You must have a software subscription for the mailbox in order to use it in new Outlook.

Users with Microsoft 365 mailboxes though GoDaddy and other Microsoft 365 resellers will not be able to use new Outlook if they don't have a software subscription linked to the mailbox.

Many users get these plans because of the cost, or for secondary mailboxes, because they only need one software license but need another licensed mailbox. Or they prefer a single purchase of Office 2019 or Office 2021, instead of a subscription. It matters: Microsoft is blocking them from using the new Outlook.

For the latest information, please see

"This account is not supported in Outlook" error message

My last reminder: Personalized Outlook.com Addresses

This will be my last reminder that time is running out to add a custom domain to a premium Outlook.com account.

If you have a Microsoft 365 subscription and want to use a custom domain name in Outlook.com, you have 2 weeks left to set it up. After November 30, custom domains will not be available to add to Outlook.com but accounts with custom domain names set up will continue to work as long as the subscription is active.

As of December 1, 2023, users with personalized addresses will keep the address but cannot change the domain or the addresses.

If you want to use a personalized address, you need a Microsoft 365 subscription: Family, Personal, or Basic (100 GB OneDrive, Outlook Premium, and NO software). You need to keep the subscription; if you let it expire, you will lose the ability to use custom domains.

Get a personalized email address in Microsoft 365

Use a different nameserver with Outlook.com Custom Domains

Buy a subscription that includes Outlook Premium: Cloud Storage Pricing and Plans

New & Updated Microsoft 365 & Exchange Server Support Articles

Released: November 2023 Exchange Server Security Updates (microsoft.com)

Certificate-based signing of PowerShell serialization payloads enabled in November 2023 Exchange SU

InvalidResponseException when you try to run Export-UMPrompt

Mailbox migration fails with communication error permanent exception

Serialization payload signing fails to run RBAC cmdlets

New & Updated Outlook Support Articles

Add an email account to Outlook
Training: Get up and running quickly with Microsoft Outlook Quick Start. Learn how to add an email account and get started in Outlook.

Error “Something Went Wrong [1001]” signing in to Microsoft 365 Desktop Applications

Error when opening Actionable Messages

Images are blocked and meeting body is read only in Outlook Desktop if calendar items are from other senders for Microsoft Outlook Spoofing Vulnerability released August 8, 2023

Microsoft 365 for Mac users in the Beta channel are not offered app updates

November 2023 updates for Microsoft Office

Outlook blocks copying meetings with “Copying meetings is not supported.”

Outlook Desktop is slow to save attachments to a network path

Outlook Desktop signature auto enters when typing an email

Outlook error “Cannot send this item” when replying to an email

Other Resources

Things to look forward to in the new Outlook for Windows - Microsoft Community Hub
Some of the top features Microsoft are working on bringing to the new Outlook.

How to Block Foreign Spam
How to block junk email that is in a foreign language, in Outlook for windows or Outlook on the web (and new Outlook for Windows.)

Automatically Open New Outlook when Windows boots
How to enable New Outlook for Windows to run automatically when you boot the computer.

Block External Content in New Outlook
How to block external content in the new Outlook that replaces Windows Mail app.

Save Messages in New Outlook
Learn how to save messages to the hard drive when using new Outlook app or Outlook on the web.

Create a rule to delete spam with no sender address
How to create a rule that deletes messages with no address in the From field, in either Outlook on the we or Outlook desktop software.

Volume 28 Issue 28 was last modified: January 23rd, 2024 by Slipstick Systems

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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

Sync Issues and Errors with Gmail and Yahoo accounts

Error Opening iCloud Appointments in Classic Outlook

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

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

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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
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  • Sync Calendar and Contacts Using Outlook.com
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  • Access Folders in Other Users Mailboxes

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