Thunderbird Exchange

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Finally, connect Thunderbird to your Exchange email account at your office. You love Thunderbird.Your company uses Exchange. Owl is the little bird that lets the two talk to each other. Winmail.dat or ATT0001.dat attachments are TNEF encoded files sent by Microsoft Outlook and Exchange. Users with other e-mail clients (like Thunderbird or Lotus Notes) or platforms (like Android, Apple, iPad or iPhone) cannot natively read the winmail.dat files. For more information on TNEF files, see our Winmail.dat files section.

On this page:

Overview

  • You can always access your email directly at OWA.
  • Migrations of Exchange email accounts from the on-premises environment to Exchange Online completed on April 13, 2021.

At IU, Exchange Online delivers the capabilities of Microsoft Exchange Server as a cloud-based service, allowing you to access email, calendar, contacts, and tasks from your personal computer, the web, and mobile devices. Exchange Online integrates fully with Active Directory, enabling administrators to use group policies and other administration tools to manage its features across their environment. Though hosted by Microsoft, Exchange Online is still managed by the IU Exchange administrators and meets the same security and privacy guidelines as the previous Exchange environment.

Exchange Online requires all connections to mail to use two-factor authentication. The Microsoft 365 (formerly Office 365) platform provides advanced Threat Protection settings and other enhanced controls.

Exchange Online integrates directly into Microsoft Teams at IU, allowing you to schedule meetings and see your Exchange calendar and free/busy information within the Microsoft Teams application. Other Microsoft 365 applications such as Power Automate can also take advantage of the account, storing attachments in Microsoft OneDrive at IU, or setting email triggers on activity.

For details about add-ins for Exchange Online, see About Microsoft 365 add-ins and Microsoft Store apps at IU.

Features

Exchange Online includes:

  • Improved security, including two-factor authentication
  • Compatibility with Microsoft Teams at IU, Microsoft OneDrive at IU, Canvas, third-party tools, and other organizations
  • Skype for Business to Teams Telephony
  • Power Automate
  • Larger quotas (100 GB for most users)
  • Better spam controls
  • Junk mail retention increased to 30 days
  • Long-term platform stability

Configure your mail client for Exchange Online

  • UITS recommends enabling Cached Exchange Mode on clients that support it. For more, see About Outlook's Cached Exchange Mode and Online Mode.
  • IU's Exchange Online environment does not support IMAP. If you use Thunderbird or Linux, check the 'Owl for Exchange add-on' or 'Evolution email client' instructions noted below.

Follow the appropriate instructions below to configure your mail client for Exchange Online.

You may also wish to view some short how-to videos.

Troubleshoot

For a list of known issues and workarounds for Exchange Online, see Known issues with Exchange Online.

For help troubleshooting Outlook, see How to troubleshoot performance issues in Outlook.

Microsoft Exchange Server handles the substantial amount of business communication of enterprises and allows them to get emails without any latency. But, when there is an issue related to the performance of Exchange, then Outlook users need to run some troubleshooting like creating a new Outlook profile. Sometimes, they need to know the address of the Exchange Server too. In the present article, we will go through how we can find the Exchange Server address; also, we will go through some simple methods for resolving our common connectivity issues.

Find Exchange Server Address

  1. Start the Outlook. When the Outlook has an active connection with Exchange Server, then it shows its status as ‘CONNECTED TO: MICROSOFT EXCHANGE.’ Ensure this connection to proceed further in the process.
  2. Click the File option on the menu.
  3. Click Account Settings>>Account Settings.
  4. Here, select the Exchange Account with the Server name you want to check and click Change.
  5. In the Server Settings section, you can see the full name of your Exchange Server.

Outlook Web Access (OWA) email client can be used as well to know the Exchange Server address by launching it and navigating to

Settings>Mail>Options>Mail>Accounts>POP and IMAP>note down values from POP Setting & IMAP Setting.

Or you can run the following command in the Exchange Management Shell run as administrator to get all attributes of the Exchange Server including the address.

Get-ExchangeServer

After accessing your Exchange Server address, you can utilize it to fix issues with the incoming/outgoing messages. But in some conditions, Outlook faces problems in connecting with Exchange Server, and you keep shuffling between different methods to remove the problem.

Let’s go through some secure troubleshooting methods which any user can perform without being dependent on Exchange Administrator.

Thunderbird Exchange 365

1. Restart Outlook
It is the simplest method to resolve the connection issue. If restarting Outlook does not work, then restart the computer. Many times, when the Internet is down, the connection with the Outlook and Exchange Server also does not establish. So, restarting the Outlook should fix the connection issue due to minor connection related problems. When restarting Outlook does not work, then move to the next troubleshooting method.

2. Disable the offline mode
Generally, the users set the Outlook mode to the offline unknowingly, and it stops emails from incoming and outgoing. So, you should disable this option and connect Outlook with Exchange.

  1. Click the Send/Receive option on the menu.
  2. Go to the Work Offline button and click it.
  3. The status of the Outlook will change to ‘Trying to Connect’ from ‘Offline.’ Soon it will show the status as ‘CONNECTED TO: MICROSOFT EXCHANGE.’.’

3. Run a repair installation

You can run a repair installation from the Control Panel to remove the connection issues.

  1. Close the Outlook application and go to the Control panel.
  2. Click Programs and Features.
  3. Select Microsoft Office and click Change.
  4. Click Repair and then select Continue.
  5. Restart the computer after completion of the repair process.
  6. Run Outlook and check its status.

4. Recreate the OST file

Because the OST file is stored on the local computer, there are high chances that it may get corrupt due to any malware or hardware issues. A corrupt OST file can stop the Outlook application from connecting with Exchange Server. So, you can recreate the OST file again, and it may remove the connection issue of the Outlook.

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  1. In Control Panel, select the Mail option.
  2. Click the E-mail Accounts option.
  3. Select your account and click Open File Location. It will take you to the location of the respective OST file.
  4. Select the OST file, right-click it, and select the Delete option.
  5. Start the Outlook again. It will recreate the OST file and allow you to connect with Exchange Server.

5. Use the Scanpst tool to repair the corrupt PST file

Outlook offers a default scanning tool called scanpst.exe which repairs the PST file from minor corruption-related issues. You can run the tool and scan the PST file. It will check for errors and will prompt you to fix it if it finds any corruption.

You can find the Scanpst at the following location:

  • Outlook 2019 – C:Program Files (x86)Microsoft OfficerootOffice16
  • Outlook 2016 – C:Program Files (x86)Microsoft OfficerootOffice16
  • Outlook 2013 – C:Program Files (x86)Microsoft OfficeOffice15
  • Outlook 2010 – C:Program Files (x86)Microsoft OfficeOffice14
  • Outlook 2007 – C:Program Files (x86)Microsoft OfficeOffice12

Conclusion

Thunderbird Exchange Setup

When Outlook is not connecting to Exchange due to corruption in the data file, then you should not remain dependent on the manual troubleshooting methods which only check for the error but do not provide any concrete solution. Kernel for OST to PST Converter is an outstanding solution which can recover data from corrupt, orphaned, or inaccessible OST file and make its content usable again. You can save the recovered data in a PST file and access it in Outlook.

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