8,719 questions with Outlook-related tags

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Having issues with email deliverability to Outlook

Hi, For some reason, our main domain got in a couple of blacklists (according to some email deliverability test platforms) and we, from time time, go to spam and our clients don't get our emails. This happens primarily with Outlook inboxes and our…

Office
Office
A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.
1,871 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
asked 2025-01-31T21:14:00.8566667+00:00
Inigo Rengifo Melia 0 Reputation points
0 answers

How to recover a lost Task in Outlook2021 Professional Plus

My lost task is not in Deleted items nor is it in Junk mail. I cannot find recoverable items and I get no choice to "restore" in any of these places. I can replace it from a backup but my last backup is very old and the task is updated almost…

Microsoft Teams
Microsoft Teams
A Microsoft customizable chat-based workspace.
10,769 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft Copilot
Microsoft Copilot
Microsoft terminology for a universal copilot interface.
527 questions
asked 2025-01-31T14:26:43.5533333+00:00
Jay Payne 0 Reputation points
edited the question 2025-01-31T19:53:10.86+00:00
Nathan Roberts (SN) 186 Reputation points
0 answers

sending email failed

thats error is showing when i send email to another email address " Delivery has failed to these recipients or groups: [andrew566174f94a@gmail.com] This message couldn't be delivered because the sending email address was not recognized as a…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Microsoft System Center
Microsoft System Center
A suite of Microsoft systems management products that offer solutions for managing datacenter resources, private clouds, and client devices.
1,069 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365 Publishing
Microsoft 365 Publishing
Microsoft 365: Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line. Publishing: The process of preparing, producing, and releasing content for distribution or sale.
633 questions
Microsoft Configuration Manager
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Microsoft System Center
Microsoft System Center
A suite of Microsoft systems management products that offer solutions for managing datacenter resources, private clouds, and client devices.
1,069 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365 Publishing
Microsoft 365 Publishing
Microsoft 365: Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line. Publishing: The process of preparing, producing, and releasing content for distribution or sale.
633 questions
Microsoft Configuration Manager
asked 2025-01-31T19:32:09.05+00:00
Laurice Turner 0 Reputation points
0 answers

sending email failed

thats error is showing when i send email to another email address " Delivery has failed to these recipients or groups: [andrew566174f94a@gmail.com] This message couldn't be delivered because the sending email address was not recognized as a…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Microsoft System Center
Microsoft System Center
A suite of Microsoft systems management products that offer solutions for managing datacenter resources, private clouds, and client devices.
1,069 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365 Publishing
Microsoft 365 Publishing
Microsoft 365: Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line. Publishing: The process of preparing, producing, and releasing content for distribution or sale.
633 questions
Microsoft Configuration Manager
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Microsoft System Center
Microsoft System Center
A suite of Microsoft systems management products that offer solutions for managing datacenter resources, private clouds, and client devices.
1,069 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365 Publishing
Microsoft 365 Publishing
Microsoft 365: Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line. Publishing: The process of preparing, producing, and releasing content for distribution or sale.
633 questions
Microsoft Configuration Manager
asked 2025-01-31T19:32:09.05+00:00
Laurice Turner 0 Reputation points
4 answers

How to fix "This message couldn't be delivered because the sending email address was not recognized as a valid sender" error

When trying to send an email, I receive an error message stating "This message couldn't be delivered because the sending email address was not recognized as a valid sender. The most common reason for this error is that the email address is, or was,…

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,781 questions
asked 2024-01-03T06:31:39.76+00:00
Rudraraj Mer 25 Reputation points
answered 2025-01-31T19:28:35.84+00:00
Laurice Turner 0 Reputation points
1 answer One of the answers was accepted by the question author.

Accessing Outlook and Hotmail from other applications

I have a Hotmail account and an Outlook account. I normally use my app on my smartphone, or my Outlook on my PC. However, I also need to configure Thunderbird Portable and a small app that simply checks for emails in my various mailboxes. Thunderbird and…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
asked 2025-01-13T10:36:41.6733333+00:00
GioSomma 65 Reputation points
accepted 2025-01-31T19:23:01.89+00:00
GioSomma 65 Reputation points
1 answer

Error: "OrganizationFromTenantGuidNotFound" (even with Microsoft 365 subscription)

I'm trying to get the events from outlook calendar but I get an error doing so. I have an app registered on Azure Portal (free plan), which I'm using to read the events with Nodejs. This are the permissions I've set in order to be able to query the…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
12,921 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2023-05-23T08:22:39.53+00:00
Josep 5 Reputation points
commented 2025-01-31T17:54:36.3566667+00:00
Amier Shraideh 0 Reputation points
0 answers

Need assistance with moving Outlook add-ins that use legacy Exchange tokens to nested app authentication

Hello, Please i need your help on this issue. I will need assistance with moving Outlook add-ins that use legacy Exchange tokens to nested app authentication. I need assistance with implementing required changes as per this article:…

Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
657 questions
Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
657 questions
asked 2025-01-31T17:51:01.1966667+00:00
IniobongNkanga-8038 931 Reputation points
0 answers

Need assistance with moving Outlook add-ins that use legacy Exchange tokens to nested app authentication

Hello, Please i need your help on this issue. I will need assistance with moving Outlook add-ins that use legacy Exchange tokens to nested app authentication. I need assistance with implementing required changes as per this article:…

Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
657 questions
Microsoft Exchange Online
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
657 questions
asked 2025-01-31T17:51:01.1966667+00:00
IniobongNkanga-8038 931 Reputation points
0 answers

How to get my HTML Outlook signature working on a mobile either on iOS or android

The question is simple. I ca Create my signature in that desktop outlook application. But they don’t work on mobile or tablet. Can you help with that?

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Microsoft Intune iOS
Microsoft Intune iOS
Microsoft Intune: A Microsoft cloud-based management solution that offers mobile device management, mobile application management, and PC management capabilities.iOS: An Apple mobile operating system.
254 questions
asked 2025-01-31T17:07:27.4333333+00:00
Toni Postius (Aqualife) 0 Reputation points
edited the question 2025-01-31T17:29:46.2366667+00:00
Akhilesh Vallamkonda 11,440 Reputation points Microsoft Vendor
1 answer

Availability of OnMessageReadWithCustomHeader for Web and New Outlook on Windows

Hello, I would like to know when the OnMessageReadWithCustomHeader events will be available for Outlook on the web and the new Outlook for Windows. This feature is essential for our workflow, and we would appreciate any insights on its expected rollout…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
JavaScript API
JavaScript API
An Office service that supports add-ins to interact with objects in Office client applications.
1,032 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
4,201 questions
asked 2025-01-31T16:53:03.2333333+00:00
Max Saraev 0 Reputation points
answered 2025-01-31T16:53:03.2466667+00:00
Q&A Assist
2 answers

Duplicate calendar events in Outlook 365

When I set a meeting for sales I put my notes in after the meeting. Then, when I am scheduling the next meeting I search for the last meeting and duplicate it then change to the new date. Now the most recent meeting has all the notes to that point. How…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,620 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,620 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2023-04-11T13:50:04.59+00:00
Robert Hammond 25 Reputation points
commented 2025-01-31T15:10:04.2233333+00:00
Schreck, Ann 0 Reputation points
2 answers

Duplicate calendar events in Outlook 365

When I set a meeting for sales I put my notes in after the meeting. Then, when I am scheduling the next meeting I search for the last meeting and duplicate it then change to the new date. Now the most recent meeting has all the notes to that point. How…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,620 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,620 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2023-04-11T13:50:04.59+00:00
Robert Hammond 25 Reputation points
commented 2025-01-31T15:10:04.2233333+00:00
Schreck, Ann 0 Reputation points
0 answers

Outlook for mac not syncing flags to Mail app or Gmail online

I'm using Outlook for mac Version 16.89.3 without license with gmail for my business account. Sometimes I also use my Mail app on my MacBook pro (Sequoia 15.1.1) for the same account. The problem is that when I flag or unflag message in Outlook the…

Office
Office
A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.
1,871 questions
Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
asked 2025-01-31T14:41:25.2933333+00:00
Marko Prosen 0 Reputation points
0 answers

VBA Outlook: AddressList.AddressEntries collects only the first 500 entries of address list

I am using O365 classical outlook on Windows 10 Considering classical VBA code bellow, AddressList.AddressEntries only collects the first 500 entries. Indeed, browing "All Users" global list in Outlook AddressBook Window, I see the same last…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,775 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
4,201 questions
Microsoft Exchange
Microsoft Exchange
Microsoft messaging and collaboration software.
657 questions
asked 2025-01-31T14:27:35.2533333+00:00
MEUNIER Philippe 0 Reputation points
2 answers

Greyed Our Report Phishing Button

Dear Team, I have installed the report phishing button using my group administrator account and i want to enable it only for my account for testing purpose. However it is been more than 12 hours since i installed the add in from the integrated app…

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
5,620 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2025-01-30T16:13:59.0033333+00:00
Dexter 0 Reputation points
commented 2025-01-31T13:51:11.21+00:00
Dexter 0 Reputation points
2 answers One of the answers was accepted by the question author.

Having trouble getting my Outlook Add-in manifest to work

Hello, I'm trying to develop an outlook add-in for my company that detects if there are external recipients in the to, cc, or bcc columns. I have developed all of the necessary files (HTML and JS) but I have not been able to figure out how to organize my…

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
4,201 questions
asked 2025-01-22T16:43:40.98+00:00
Solomon Gedela 25 Reputation points
accepted 2025-01-31T13:02:26.06+00:00
Solomon Gedela 25 Reputation points
1 answer

"FROM" option is missing from Outlook Calendar

I can't seem to find the "From" option in Outlook 365 calendar, has it been deleted? I can see "From" when I send an email, but not in Calendar?

Outlook
Outlook
A family of Microsoft email and calendar products.
4,389 questions
asked 2025-01-30T15:52:25.2166667+00:00
Jon Gibbons 0 Reputation points
commented 2025-01-31T09:49:07.7366667+00:00
Jon Gibbons 0 Reputation points
1 answer

Can't see Teams meeting button in outlook

The Teams add in is active in my outlook but i still cant see the Teams meeting button in the outlook what can i do?

Microsoft Teams
Microsoft Teams
A Microsoft customizable chat-based workspace.
10,769 questions
Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2025-01-29T08:56:13.2+00:00
Rafi Cohen 5 Reputation points
commented 2025-01-31T09:30:13.62+00:00
LiweiTian-MSFT 23,120 Reputation points Microsoft Vendor
1 answer

Custom Add-in Publishing

Our department developed an add-in to log email data, so we released the app in the admin center, but the desktop client didn't show it. How to solve the problem that the add-in is not deployed successfully?

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
5,434 questions
asked 2025-01-29T17:36:51.42+00:00
Cranbin 165 Reputation points
commented 2025-01-31T09:16:43.9966667+00:00
SokiGuo-MSFT 29,886 Reputation points Microsoft Vendor