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Questions tagged [outlook]

Outlook is a standalone or groupware client for Microsoft Exchange. It is used for Email, contacts, tasks and calendar.

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Unable to set up Outlook with local IMAP (dovecot) host on Mac [migrated]

I am trying to configure Outlook 365 (version 16.22.1) on Mac High Sierra (10.13.6). The Mac is a domain member on a Windows Active Directory domain. Our office has a self-hosted IMAP mail server ...
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3answers
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One Distribution Group out of alphabetical order in GAL?

Found a weird one for you. Our org. has 5 distribution groups with names starting with the word "Credit ...". Like "Credit Team One", "Credit Team Two", "Credit Team Three", etc etc. All 5 groups are ...
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1answer
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O365 Online archive - new name works on web, doesnt work on desktop outlook

I've enabled an online archive for some users and changed the default name of it in EAC (exchange online obviously). It changed almost instantaniously on the web, but hasn't changed for days on the ...
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1answer
28 views

Outlook as a lightweight IMAP client

Is it possible to configure Outlook (Version 1812, part of Office 365) as an IMAP client without downloading everything in Drafts, Sent, Spam, Trash? Starting from a clean profile, I add a user, and ...
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1answer
68 views

Mail header from server analysis

Today received a mail who appears to be coming from a account from our domain, but when mail header is analized it comes from another server and user. Mail arrived from a real owned domain directed ...
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1answer
29 views

Strange: Users can't delete items from public folders in Outlook 2016 when the client has been logged in for about 30 minutes

We are running Exchange Online and Exchange 2013 in hybrid mode. Our public folders are hosted online. After a fresh boot/reboot, our users can delete items (permissions vary from Owner to ...
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1answer
22 views

How to download inbox and sent item onto outlook for backup

I am not sure if this is the right place to ask this question., if not please point me in the direction. I have business email services running with BigRock, which I don't want to continue. I'd ...
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2answers
32 views

Exchange Server - (permanently) delete mails from database

We have a problem with very large OST files of outlook. What we do is archiving the mails from the Exchange Server with a 3rd party software and delete them from the Exchange server afterwards. ...
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1answer
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why two spam policy apply on the same email

Recently, we made some Spam setting as below shown, but don't know why the result is, emails are prepended with 'spam' and move to junk mailbox at the same time. We want SCL 5 emails is prepended with ...
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22 views

Distribution list upgrade/Outlook Public Folder Permissions (Office 365)

I am running Office 365, and have a few distribution lists that I cannot upgrade to Office 365 groups. Clicking on "upgrade distribution lists" in the EAC results in none of them showing up as ...
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1answer
59 views

Details of certificate used to encrypt email received by Outlook

Is there a way of seeing the details of the certificate used to encrypt an email that was received by Outlook. I'm trying to diagnose an issue and want to see if someone has an out of date offline ...
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1answer
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Outlook 2010 with Exchange Online - Which version of TLS is being used?

How do I check which version of TLS is being used in Outlook 2010 with Office 365 Exchange Online mail server? Thanks
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1answer
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Outlook 2019 Compatibility with Exchange 2010

Is Outlook 2019 supported with Exchange 2010? The following tables identify the mail clients that are supported for use together with each version of Exchange: https://docs.microsoft.com/en-us/...
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What are the best practices for providing S/MIME-Certificates in Outlook?

I got some questions regarding S/MIME in Outlook and certificates in general. Some questions arrised about the possibility to digitally sign emails in my company. As I'm new to the topic I had to do ...
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1answer
59 views

Exim4 with outlook and other domain error

Sometimes when I try to send a mail to microsoft domain address I can see in exim4 mainlog lines like this : eur.olc.protection.outlook.com address already in use After hours or days in the exim4 ...
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1answer
35 views

SPF Outlook Web App (OWA) undeliverable email

PROBLEM: Outlook.com web app (OWA), synchronized with my local server via IMAP and SMTP(STARTTLS), returns "Undeliverable message" for all messages sent. PROPOSAL: (rejected) This returning message ...
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1answer
30 views

Exchange 2010 Room Calendar conflicts

we are having an issue where our conference rooms are allowing meetings that start at the same time. We do have the room auto allow, "Allow conflicting meeting requests" is unchecked, "Conflict ...
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1answer
30 views

Why can't I edit my own contact info in Global Address List of Outlook client anymore?

Why can't I edit my own contact info in Global Address List of Outlook client? The environment is on-premise exchange server 2016, in the ECP/Exchange Admin Center I already have user accounts set up ...
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2answers
43 views

IIS binding added, now outlook prompts for credentials infinitely

Disclaimer - this isn't my area of expertise, I'm learning as I go, if I need to adjust level of detail here or redact information please let me know, no offense intended. Customer needed to pass a ...
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0answers
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Unable to forward message sent as attachment from public folder

We run an on-site Exchange server and use a mixture of Outlook 2016, Office 365 Outlook and OWA to access the e-mail. We recently upgraded the Exchange server from Exchange 2010 to Exchange 2016. We ...
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401 views

What causes this email sent from Outlook Mobile to display as Chinese/Japanese characters in iPhone mail app?

I've attached the actual email chain below, redacted and de-identified as much as possible. UserA sent an email to UserB. Sent from Outlook mobile on iPhone. UserB complained they could not read the ...
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1answer
16 views

Trigger custom Outlook Add-on from External Email notification message

I have developed an outlook add-on, which gathers email information (Email header etc.) and report it to my custom application. I want to add a hyperlink in External Email Notification message, when ...
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1answer
50 views

Outlook and Thunderbird connecting to IMAP server where mail has been deleted

Have a rebuilt IMAP mail server which is missing emails for a time period. I have tried to search but only found articles about migration. Question is, will outlook and thunderbird etc sync such ...
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Office 365 - Creating rules to forward messages after an expiration period

A client implemented a policy that all customer emails must be responded to within 24 hours, and asked me if it were possible to enforce that policy by creating a solution that all messages received ...
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0answers
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Outlook 2016 Calendar Event Sync Issue

I am working on an issue with Outlook 2016. User A has full mailbox rights and calendar ownership rights of User B's calendar. User A manages the calendar events for User B and also invites other ...
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Users getting locked out on local Domain Controller after switching default Exchange mail address to different domain

Originally, all of our users were on a single domain (ie. domain1.com) . After merging with a 2nd company, it was decided that we would use the 2nd domain (ie. domain2.com) as the primary company ...
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Exchage 2016 cannot read email from remote

I have an Exchange 2016 server. From remote, i can access OWA using the public IP. Also I have configured Thunderbird to use EWS with success. Now I'm setting Outlook Android app... my account in ...
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2answers
84 views

Can't reply to old mail after migration from MS Exchange to dovecot/postfix

We've successfully migrated from an ancient Microsoft Exchange to dovecot+postfix and everything works fine except from one particular case: When users of Outlook 2016 hit reply on an old mail from ...
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0answers
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Allow standard user to modify HKCU registry from script

I'm writing a batch script to launch a program for my Citrix environment and I'm running into some issues with a couple of reg keys I'm trying to set in the script. essentially I'm launching an ...
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56 views

Include Shared Inbox in Outlook Default Search

We use Office 365 Email with Outlook 2016 as client in our company. Every user has one email address as well as access to a shared inbox. However, if I use the search box (above the list of emails) ...
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165 views

Outlook 365 1808 - Autodiscover with Postfix/Dovecot

The situation is : I have a mail server with Postfix, Dovecot and Apache2 for the autodiscover URL. Mail server is set up for TLS only (465, 993 and 995) the domain is controlled by myself (SRV ...
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1answer
21 views

How to connect to Exchange 2013 from Outlook Mobile?

I'm on an Android device (8.0) with the current Outlook Mobile. I'm unable to connect to my Exchange 2013 server as it throws a generic login failure. Oddly, I am able to connect fine with ...
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1answer
43 views

Microsoft IRM and ClientAccessServerEnabled Option

I'm looking for some additional insight on Microsoft IRM and the ClientAccessServerEnabled option, and what enabling or disabling does and any potential ramifications. About half of the tutorials ...
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1answer
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Two outlook mail accounts with only 1 sender address

The users are receiving mails from 2 accounts but are supposed to send and reply only from one mail account, disregarding on what account the mail was received on. The sender account is tagged as ...
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1answer
54 views

Synchronizing local Microsoft Exchange server with Amazon EC2 instance

We have Microsoft Exchange server running on local data center and we want to create EC2 replica and synchronize local and cloud instances, just in case local server goes down, to switch the traffic ...
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Can't get emails into Outlook client

I have moved hMailServer onto a different server. When I use Outlook and log the communication within hMailServer I get the following; Creating session 737 ... SENT: +OK POP3 RECEIVED: CAPA .... SENT:...
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Can't set up POP3/SMTP mail on Windows 10

I am trying to set up a new Windows 10 machine, and am having problems with mail. I need to connect to an old server running POP3 and SMTP. The two programs that I can find that come with Windows 10 ...
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1answer
38 views

Exchange / Outlook automatically accept dayly the same meetings for one user

Since some days Outlook is dayly auto-accepting meeting invitations from a specific user. What happens Mail: "Microsoft Outlook has agreed to this meeting in the order of [employee2]" The mails come ...
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Odd error in Outlook 2016 Pro Plus notifications

We are piloting a new desktop based upon Windows 10 and Office 2016 Pro Plus (not 365). We have AD configured to show employee photos. For the first day or so after the new image is deployed for a ...
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1answer
56 views

change conference room booking auto reply language

How to change the language that is in this auto reply (yellow color text)? Currently it is in RU and i would like it to be it in EN-US. I haven't found any methods to do this via Exchange management ...
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164 views

Add External Exchange Email Account to Profile in Outlook 2016 Using Powershell

I am trying to make use of Powershell to configure an additional, outside of the domain Exchange mailbox in Outlook 2016 when the user runs a script. The difficulty I have run into is that I need to ...
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0answers
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Outlook on Terminalserver loses connection. Event ID 26

Problem Symptoms: Users experience daily disconnects and reconnects in Outlook running on a Terminal Server and have to log in again. They can not log in instantly but have to wait for approx. 1 ...
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164 views

Exchange 2010 #550 5.7.1 unable to Relay

sorry if this is a duplicate question. I was looking through similar questions but wasn't able to find anything helpful. One user and only one user is getting an error message back when they try to ...
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0answers
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Outlook Junk Email Reporting Add-in when Outlook has multiple exchange accounts

One of our O365 users is receiving many spam messages that O365 is not blocking, but the spam pattern (sender display names start with a space character) cannot be blocked using Rules Wizard nor by ...
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2answers
901 views

Office 2016 Will Not Connect to Office 365

I have recently performed three Exchange to Office 365 Migrations. In each I have had problems with Office 2016 not connecting to Autodiscover and thus Outlook won't create the profile. In most cases ...
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2answers
2k views

How to disable cache exchange mode/offline storing office 365 mails for email clients such as outlook/thunderbird?

My company has a security concern and they have requested to disable storing all offline cache copies of office 365 emails. We use outlook 2016, thunderbird and the exchange server is office 365 ...
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1answer
50 views

Outlook 2016 Sync Error and Deleted Folder

I have a user who was having Issues with his Outlook folders not syncing correctly with our mail provider and his phone. I found that he was not set up using the secure ssl connection and changed the ...
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1answer
64 views

Frequently pop up credentials for Outlook

When the first time user has keyed in the password, the Outlook is connected to Microsoft Exchange, then later it will pop up again and ask the password for several times. So this is very irritating ...
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Does Anyone know what this Microsoft Web Platform Contr… service in Task Manager under Outlook 2016 is and how its installed?

I currently have an outstanding issue with an end user that uses an Outlook integration with a software package I support. What was found that on this end users environment, they had a mix of Outlook ...
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1answer
58 views

Forwarding Email/ Email Infrastructure

We are trying to improve our email infrastructure in our small company. We use a web hosting solution that has all our email addresses(so no exchange server, google, etc). Here is a scenario: We ...