
Note: Please note that if you see the message " REST API is not yet supported for this mailbox" when installing Mailbutler for Outlook, it means that your company server does not support Mailbutler’s API requirements. Ask your network administrator if this is enabled for your Exchange Server.) To take advantage of all Mailbutler features available when composing a message, you need an Exchange Server with Hybrid Deployment. ( Exchange on-premises means that your company has its own server configured to act as Exchange, but it is not managed by Microsoft, and we cannot account for your server settings.


Mailbutler is available as an add-in for Outlook for the following Microsoft email account types:.Mailbutler is available as an add-in for Outlook's web app () for the following browsers:.Mailbutler is available as an add-in for Outlook for the following Outlook versions:.Mailbutler is available as an add-in for Outlook for the following operating systems:.Note: Please note that due to the complex nature of Microsoft’s email configuration, various factors impact Mailbutler’s compatibility with Outlook. Mailbutler is available as an extension for Gmail for the following Google account types:.

Mailbutler is available as an extension for Gmail for the following browser:.Its design hews more closely to the traditional Mac look and feel, rather than adopting a slick iOS. Mailbutler is available as an extension for Gmail for the following operating systems: Postbox 3 () isn’t the newest or sleekest candidate in this roundup.Mailbutler supports the following server types in Apple Mail:.Mailbutler is available as a plug-in for Apple Mail for the following Apple Mac operating systems:.
