When comparing Microsoft Outlook 365 vs Postbox, the Slant community recommends Postbox for most people. In the question“What is the best desktop Email client for Windows 10?” Postbox is ranked 7th while Microsoft Outlook 365 is ranked 16th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Clean UI
Pro Dark Mode
Pro Native calendar sync with Outlook for Mobile
Pro Strong search feature and offline access
Pro Integrated with Microsoft Office Products
Easy to add file attachments, take notes on meetings in OneNote, etc.
Pro Clear interface
Pro Forgotten attachment reminders by default
Reminding the user that they forgot to attach the file if they mentioned one in the body of the email is one of the most useful features of any email client and so many don't include this. Postbox is pre-configured to look for certain keywords (attached, CV, spreadsheet, pdf etc) and you can specify your own keywords in addition.
Pro Blocks tracking gifs
Has the ability to block tracking gifs commonly used for read receipts.
Pro One Inbox for all accounts
All messages in one place. But you can select to show only messages from each account either.
Pro Quick Bar for macros
Quick bar allows you to add a variety of content to your message. It will let you reuse URLS in your Sent folder, and autocompletes against canned responses, signatures, and topics.
Cons
Con No support forum
Support for paid product has no online forums.