Brand new features and improvements

Mail Designer 365 Version 1.4.4

A quick update to fix an issue with OS X 10.11 El Capitan.

Mail Designer 365 Version 1.4.3

Apple Watch HTML support
With watchOS 5, Mail on Apple Watch will render your full mobile layout. Our updated Apple Watch previews for watchOS 5 now reflect that.

Other Improvements

  • List improvements: we’ve fixed a few issues, including an alignment problem and an issue that could cause blank spaces to appear after exporting your design
  • A crash has been fixed that could occur when editing images in external apps
  • Improved Undo support when editing lists
  • Additional stability improvements related to closing windows
  • An issue has been fixed that could cause layout resizing issues

Mail Designer 365 Version 1.4

Our big macOS Mojave release! Dark Mode, new Image Effects, mobile device previews for iPhone Xs, iPhone Xr and Apple Watch Series 4:

Fully optimized for macOS Mojave

  • All new Dark Mode UI
  • Continuity Camera – add photos right from your iPhone
  • Updated UI for macOS Mojave

New Mobile Device Previews

  • iPhone Xs and iPhone Xs Max in Gold, with landscape split view preview option
  • iPhone Xr in Red
  • Apple Watch Series 4

New Image Effects
With Mail Designer 365 Business Premium

  • Duotone: choose from 8 different Duotone looks, for a modern take on the pop-art atheistic
  • Vibrancy: Re-create the translucency effect seen in iOS and macOS – available in Light & Dark

With Mail Designer 365 Business Premium

  • Improved mobile-optimized card-layout
  • Formatting and editing improvements
  • Images are now automatically centered

Improved Teamwork Sharing

  • Your design can now be opened with one click when you share or lend it to team members via email
  • Todos and comments will now be grouped by date

Other improvements

  • Improved sidebar usability on smaller MacBooks
  • A color mismatch issue when using the color picker has been fixed
  • A line-height formatting issue has been corrected
  • Performance and Stability improvements

Mail Designer 365 Version 1.3.1

Improved login reliability
When you next sign in, Mail Designer 365 will automatically store your sign in details and password in your Mac’s Keychain.
Note: You may be asked to sign in again after updating, but things will go much smoother in future – thanks!


  • An issue that could cause Mail Designer to not recognize your plan has been fixed
  • A crash that could occur when editing images has been fixed

Mail Designer 365 Version 1.3

NEW Tables    Available in Business Premium plans

Design information-rich price tables, project lists, organization reports, schedules and more, right in Mail Designer 365. And make sure your message looks great on iPhone, with a smart card-based layout for mobile devices.

  • Build stunning, fully mobile-optimized tables
  • Add borders, padding, backgrounds, header columns…
  • Fully mobile-optimized with card-style layout

NEW Batch Image Optimization

Choose image optimization options and apply them to all your images in one go.
Available under Edit → Optimize All Images…

Other Improvements

  • Layout Block categories have been re-organized
  • We’ve fixed a crash that could occur when opening designs
  • Saving Ready-made Layout Blocks works again
  • An issue that could occur when resizing multiple image elements has been fixed
  • The Business Premium badge now looks more premium
  • An issue with copy/paste has been fixed
  • Background color accuracy in Outlook has been improved
  • A formatting issue in multi-column text layout blocks has been fixed
  • Imported designs are now automatically added to a dedicated folder

We look forward to your feedback!

Mail Designer 365 Version 1.2.7


  • The order of layout block categories has been changed
  • A problem affecting images following PDF export has been resolved
  • An issue regarding incorrect link color after export has been fixed

Mail Designer 365 Version 1.2.5


  • Mail Designer 365 now remembers and auto-suggests your last 10 recipients
  • Designs are displayed more accurately in Yahoo Mail for iOS and Android
  • We’ve fixed an issue that could cause T-Online webmail to display certain content areas twice
  • New export option to disable certain compatibility options and improve compatibility with some email services, e.g. Constant Contact
  • The Campaign Monitor upload will now display feedback if it runs into any issues

Mail Designer 365 Version 1.2.4

Bug fixes

  • A bug that caused issues when signing in on some systems has been fixed

Mail Designer 365 Version 1.2.3

NEW Layout block improvements

    • A fresh new look makes it easier to find the right layout block
    • Two new layout blocks for image / text / image layouts


  • You can now add horizontal & vertical guide lines via the Insert menu
    (If you haven’t tried guide lines before, they’re super handy for aligning elements across your entire layout!)
  • There’s a new Preflight warning for images taller than 1728 pixels, which can cause issues in Outlook

Bug fixes

  • An issue that could cause email links with subject and message to change spontaneously has been fixed
  • Undo works more in a number of different scenarios
  • An issue with animated gifs in mobile layouts has been fixed
  • The sidebar no longer pops out again when editing text or moving graphics around
  • Refreshing your Mail Designer 365 plan and account information now works more reliably
  • We’ve improved our Unsplash support and now use their new API

Mail Designer 365 Version 1.2.2

NEW Link Styles

  • Make sure your links are all consistent, with Link Styles
  • Each Text style you set can have its own individual style for links
  • Use the emphasis tool to make individual links stand out

NEW Letter Spacing

  • Adjust letter-spacing as part of your text-style formatting options
  • You can also use letter-spacing on text within images
  • Tip: Increase letter-spacing on large headlines or on very tiny text to improve legibility

NEW Image cropping

  • Crop and reposition your images, right in Mail Designer – once less reason to jump into Photoshop

Other improvements

  • You can now choose which placeholder format to use during HTML export
  • The HTML Export option to open links in a new window is now stored per document
  • List formatting has been improved and a number of issues have been fixed
  • Printing has been fixed
  • Issues that could occur when using undo have been fixed
  • Compatibility improvements for the new Gmail web UI

Mail Designer 365 Version 1.2.1

  • Teamwork: Lending emails now include a design preview, as well as your latest comments & todos
  • Teamwork: Simply click a message to reply to it
  • A delay when lending designs has been fixed
  • Fixed an issue that could cause mobile layout guides to appear incorrectly
  • An issue with gif image sizes has been fixed
  • Stability improvements

That’s new in Mail Designer 365 Version 1.2


Teamwork (Available in Business plans)

  • Comment, give feedback and assign todos to your team-mates, right within Mail Designer
  • Attach your feedback to specific design elements, text areas or even the subject bar
  • @mention and reply to team-mate, so everyone’s on the same page

Tip: Be sure to set up your team and invite your co-workers!


New Testmail service

The new Mail Designer 365 Testmail service ensures better deliverability, faster sending and a better overall testing experience.
To ensure a high delivery rate, you’ll be prompted to confirm your email address the first time you send.


Design Borders (Available in Business plans)

  • Add a border to your newsletter
  • Adjust style, thickness, and color
  • For a unique effect, set each edge of your border individually


Inner content editing controls

  • Pixel-precision adjustment controls for the width of your design
  • Set or delete your main content background right from the sidebar


Other Improvements

  • Your subject line is now visible at the top of the design window, allowing you to keep an eye on your key mission statement.
  • Three new Design Ideas that demonstrate the new Borders feature
  • Unsplash, Textures and Photos are now all grouped together in a streamlined background editor
  • Toggling layout view via the space-bar now works more reliably
  • An issue with layout guides in very large documents has been fixed
  • Overall stability improvements

That’s new in Mail Designer 365 Version 1.1.7

  • An issue that could cause Mail Designer to appear in demo mode has been fixed
  • Stability improvements

That’s new in Mail Designer 365 Version 1.1.6


  • Fixed an issue with certain links
  • Additional bug fixes and performance improvements

P.S. Mail Designer 365 is now also available with Team billing plans – go to to find out more.

That’s new in Mail Designer 365 Version 1.1.5


  • An issue that could prevented a previously deleted design to be re-uploaded to MailChimp has been fixed
  • Improved Outlook compatibility for layout blocks with padding
  • Image flip controls now work more reliably

That’s new in Mail Designer 365 Version 1.1.4


  • An issue that caused missing images in Mail Chimp and Campaign Monitor has been fixed.

That’s new in Mail Designer 365 Version 1.1.3


  • An issue that could cause certain gifs to be displayed incorrectly has been fixed
  • Unsplash image search improvments
  • A crash that could occur when deleting lots of designs on a TouchBar MacBook Pro has been fixed
  • Various other stability improvements and fixes

That’s new in Mail Designer 365 Version 1.1.2


  • An issue with line-breaks within lists has been fixed
  • A problem that caused some gifs to show overlapping frames has been fixed

That’s new in Mail Designer 365 Version 1.1.1

NEW Nested Lists
You can now create nested lists with multiple levels of indentations in Mail Designer 365 – just hit the ⇥ key.



  • A new HTML export option lets you set all links to open in a new window/tab
  • Updated calendar graphics for 2018
  • Gmail web-app rendering improvements
  • We’ve fixed a few bugs that could occur while resizing and rotating shapes
  • We’ve removed some photo backgrounds from the textures tab – you can find them and many more via Unsplash search
  • ⌘ a now works correctly again to select all text
  • Individual gifs no longer show a duplicate retina warning
  • A crash that could occur when closing a design before you’ve saved it has been fixed

That’s new in Mail Designer 365 Version 1.1

NEW Unsplash integration! Search for stunning royalty-free background and header images from the Unsplash collection – right within Mail Designer 365.

NEW Rounded Corners for images



  • Pre-flight checks: fixed an issue in the HTML size calculation
  • An issue when saving instant layout blocks has been fixed
  • We’ve re-arranged the order of Style controls in the sidebar to be more consistent

That’s new in Mail Designer 365 Version 1.0.8

  • Improved iPhone X mobile-layout preview
  • New: Set rounded corners on images
  • This update addresses a layout issue when uploading to MailChimp

That’s new in Mail Designer 365 Version 1.0.7

iPhone X

  • Support for edge-to-edge email backgrounds on the iPhone X – for gorgeous emails that go beyond the notch
  • Preview your designs on iPhone X


Image Style Options

Shadows: Apply an elegant shadow to shapes, pictures and text within images

Borders: Add a stylish border to set an image off from its background. Choose from solid, rounded, dashed or dotted border styles

Opacity: Create interesting visual effects with by applying transparency



  • New center-alignment tool, for quickly lining up graphics
  • An issue with text adjustments when “no style” is selected has been fixed
  • Text color changes are applied more consistently
  • We’ve fixed a crash that could occur when duplicating multiple layout blocks

That’s new in Mail Designer 365 Version 1.0.6

  • Pin during resizing: When designing images, you can now pin them in a position when you resize the image area. Really useful if you frequently make changes to header images or call to actions.
  • Name images during HTML export: Assign a prefix to images, e.g. to upload images from all your newsletters into a single folder on your server.
  • All caps font style option: Make your text STAND OUT with a new font style setting



  • The triangle shape has been flipped
  • A layout issue that could occur when adding layout blocks has been fixed
  • Video thumbnail placeholders now work correctly with Apple Mail
  • The Image Optimization window now goes away after sending via Apple Mail

That’s new in Mail Designer 365 Version 1.0.5

  • An issue adding a Office 365 or Gmail account has been fixed
  • We’ve added iPhone 8 Plus as a preview device
  • Stability improvements

That’s new in Mail Designer 365 Version 1.0.4

  • A crash while exporting with OS X 10.11 has been fixed
  • The & symbol is now treated correctly in links

That’s new in Mail Designer 365 Version 1.0.3

  • Improved migration from earlier Mail Designer versions
  • Updated several Design Ideas