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How do I install the extension for Microsoft 365?

In this article we discuss how to install the Microsoft 365 extension

Supported Platforms

  • Outlook for Microsoft 365

  • Outlook 2024 / 2021 / 2019 / 2016

  • Outlook on the web

  • New Outlook for Windows

  • Outlook for Mac

1. Open the Add-ins Pane

New Outlook (Windows)

  1. In the navigation bar, select More Apps → Add apps.

  2. In the Add-ins pane, use the search box to find timetoreply.

Classic Outlook (Windows)

  1. On the ribbon, go to Insert → Get Add-ins or Home → Store.

  2. In the search box, type timetoreply.

Outlook for Mac

  1. From the Tools menu (or the ellipsis (…) on the ribbon), select Get Add-ins.

  2. Your browser will open AppSource. Use the search box to find timetoreply.

2. Install the Add-in

  1. In the results, select timetoreply (this is the Plus version of our product).

  2. Click Add (or Get it now, depending on your Outlook version).

  3. Accept any prompts such as privacy policies or license terms.

The add-in will now be installed. It typically appears in your Outlook ribbon or message window.

3. Using the Add-in

  • The timetoreply add-in appears as a button in your ribbon or as an icon when reading or composing emails.

  • Click the timetoreply icon to launch and use it directly within Outlook.

4. Manage or Remove the Add-in

Windows (via Web Interface)

  1. Go to File → Manage Add-ins (this opens the web add-ins manager).

  2. Under “Turned on,” you can:

    • Uncheck the add-in to disable it.

    • Or click the ellipsis (…) and choose Remove to uninstall.

Outlook for Mac

  1. Open Get Add-ins from the ribbon.

  2. Go to My add-ins.

  3. Use the ellipsis (…) to View Details, Get Started, or Remove.

Quick Reference Table

Step New Outlook (Windows) Classic Outlook (Windows) Outlook for Mac
Open store More Apps → Add apps Insert → Get Add-ins / Home → Store Tools menu or … → Get Add-ins
Search & add Search “timetoreply” → Add Search “timetoreply” → Add Search “timetoreply” → Add
Use Ribbon or message window icon Ribbon or Add-in icon appears Ribbon or ellipsis menu icon
Manage File → Manage Add-ins (web interface) Same as above Get Add-ins → My add-ins

For more details, see this Microsoft help article.

Need help or have feedback? Get in touch with us at support@timetoreply — we’re happy to help!