Install and Use the MailStore Outlook Add-in

Learn how to install the MailStore Outlook add-in, log into your server, and navigate your email archive to find, view, or export saved messages.

August 4, 2026 By RYAN CHEUNG

This guide explains how to install the MailStore Outlook Add-in and use it to access your archived emails directly from Microsoft Outlook. By completing these steps, you will be able to seamlessly log in to your MailStore server, browse saved searches, and export or view archived messages.

This guide applies to employees and IT personnel who need to access archived company emails without leaving their primary email client. It is used during the initial setup of a new workstation or when an individual needs to retrieve historical email records for reference or compliance.

Install the MailStore Add-in

Step #1: Double-click the MailStoreOutlookAddinSetup file in your Downloads folder to begin. — Double-click the **MailStoreOutlookAddinSetup** file in your Downloads folder to begin.

Step #2: Check the I agree to the License Agreement and the Privacy Policy radio button. — Check the **I agree to the License Agreement and the Privacy Policy** radio button.

Step #4: Click Install to proceed with the setup. — Click **Install** to proceed with the setup.

Depending on your system settings, you may receive a User Account Control (UAC) prompt asking for permission to make changes.

Step #5: Click Yes when asked to allow the app to make changes. — Click **Yes** when asked to allow the app to make changes.

Step #6: Click Finish once the installation progress bar completes. — Click **Finish** once the installation progress bar completes.

Access the MailStore Archive

Step #7: Click the Windows Start button. — Click the Windows **Start** button.

Step #8: Open Outlook. — Open **Outlook**.

Step #9: Click on the MailStore tab in the Outlook ribbon. — Click on the **MailStore** tab in the Outlook ribbon.

Step #10: Click Browse Archive in the top ribbon menu to open the MailStore Server Login dialog. — Click **Browse Archive** in the top ribbon menu to open the MailStore Server Login dialog.

When logging in for the first time, you need to enter the server name and port:mailstore.simatelex.com.hk:8462

Step #12: Enter your AD account username (your email address) and password in the entry field and log in. — Enter your AD account username (your email address) and password in the entry field and log in.

Find and see Archived Emails

Step #13: Under My Archive, you will see your emails. — Under **My Archive**, you will see your emails.

Step #14: Select the email you want to view or export from the central list. — Select the email you want to view or export from the central list.

Step #15: Double-click the email item in the list to open it directly in a reading window. — Double-click the email item in the list to open it directly in a reading window.

Step #16: You can forward the email if necessary. — You can **forward** the email if necessary.

Term	Definition
MailStore	An email archiving software solution that stores and manages historical email records securely.
Outlook Add-in	A software plugin that integrates directly into Microsoft Outlook to extend its functionality.
Windows Installer Package (.msi)	A file format used by Windows to install, update, and configure software applications.

Install and Use the MailStore Outlook Add-in

Learn how to install the MailStore Outlook add-in, log into your server, and navigate your email archive to find, view, or export saved messages.

August 4, 2026 By RYAN CHEUNG

Install the MailStore Add-in

Depending on your system settings, you may receive a User Account Control (UAC) prompt asking for permission to make changes.

Access the MailStore Archive

When logging in for the first time, you need to enter the server name and port:mailstore.simatelex.com.hk:8462

Find and see Archived Emails

Term	Definition
MailStore	An email archiving software solution that stores and manages historical email records securely.
Outlook Add-in	A software plugin that integrates directly into Microsoft Outlook to extend its functionality.
Windows Installer Package (.msi)	A file format used by Windows to install, update, and configure software applications.