Mail Designer 365 Release Notes
Read the Mail Designer 365 release notes to review new features, improvements, compatibility updates, and important fixes. The current version history below helps teams confirm what changed before updating or troubleshooting the app.
Latest features, improvements, and fixes
If you can not see the login window (or if you did close it by accident), please disable your popup blocker and click on the link below.
Mail Designer 365 Version History
420fc36a0d5254f1de29d61ee861d17d06ac9b40ffad90aef1d30d6f984e2834 
- Fixed: Email subject was not applied when it was equal to the document name.
- Fixed: Some issues with Web Fonts with multiple font weights were resolved.
- Fixed: Incorrect sizes of animated images in mobile version have been fixed.
- Fixed: Improved connection stability.
- Fixed: Hang during document load was resolved.
- Fixed: Textures can be dragged to layout block and document backgrounds.
- Fixed: Stability improvements.
macOS 10.13 High Sierra - macOS 26 Tahoe
cfd1898c3a67d4bc27bbab5bd66cf0ff48d4bc6d3a88bf6e7e1235b81ce32a99 
- Fixed: Email subject was not applied when it was equal to the document name.
- Fixed: Some issues with Web Fonts with multiple font weights were resolved.
- Fixed: Incorrect sizes of animated images in mobile version have been fixed.
- Fixed: Improved connection stability.
- Fixed: Hang during document load was resolved.
- Fixed: Textures can be dragged to layout block and document backgrounds.
- Fixed: Stability improvements.
macOS 10.13 High Sierra - macOS 26 Tahoe
- Fixed: Some issues with Web Fonts with multiple font weights were resolved.
- Fixed: Incorrect sizes of animated images in mobile version have been fixed.
- Fixed: Improved connection stability.
- Fixed: Hang during document load was resolved.
- Fixed: Textures can be dragged to layout block and document backgrounds.
- Fixed: Stability improvements.
macOS 10.13 High Sierra - macOS 26 Tahoe
9ea37727c86e7b2df94d824205932c552c3e3732f782c0a0fc11244d4e91cd64 
- NEW Clean up using “Remove unused styles” in the text inspector.
- Fixed: Resolved an issue where document subjects could be removed.
- Fixed: Long delay while saving some new documents removed.
- Fixed: Addressed an issue affecting email confirmation for new accounts.
- Fixed: Hairlines betweens image areas and adjacent areas.
- Fixed: Potential crash during onboarding or login.
- Fixed: Some text areas could be missing in PDF export.
macOS 10.13 High Sierra - macOS 26 Tahoe
- NEW Clean up using “Remove unused styles” in the text inspector.
- Fixed: Addressed an issue affecting email confirmation for new accounts
- Fixed: Hairlines betweens image areas and adjacent areas.
- Fixed: Potential crash during onboarding or login.
- Fixed: Some text areas could be missing in PDF export.
macOS 10.13 High Sierra - macOS 26 Tahoe
- NEW SVG images can now be imported on macOS 14 Sonoma and later.
- Improved: Enhanced image quality for images shared with the mobile version in certain scenarios.
- Improved: Pasting nested lists is now supported.
- Improved: Pasting content better adapts to the style of the surrounding text.
- Fixed: Partial lists copied from web pages can now be pasted correctly.
- Fixed: Styles with a light font weight now correctly display bold emphasis in the inspector.
- Fixed: Placeholder in image areas without content is not visible in PNG exports any more.
- Fixed: PNG and PDF exports correctly handle documents borders.
- Fixed: Image areas with rounded rectangles could sometimes render a black background instead of transparency.
- Fixed: The mail subject of a document could get lost in some scenarios.
macOS 10.13 High Sierra - macOS 26 Tahoe
- NEW The Preflight Check makes you aware of detached layout blocks in the mobile view.
- Improved: Preflight Check offers a direct jump to image optimization when an image is too big.
- Improved: Pasting content now intelligently adapts to the style of the surrounding text.
- Fixed: Some images could not get imported via drag & drop on macOS 26 Tahoe.
- Fixed: Sort order of team documents remains stable after reload.
- Fixed: Updates to an image’s alt text are now saved reliably.
- Fixed: Exported designs no longer show incorrect margins.
- Fixed: General stability improvements and bug fixes.
macOS 10.13 High Sierra - macOS 26 Tahoe
- NEW Default Text Styles: You can now set up default Body and Headline styles for designs which are automatically applied to any new layout blocks
- NEW Export mobile view as PDF
- NEW Improved superscript and subscript sizing options
- NEW Updated designs and calendar graphics for 2026
- Improved: Cmd V pastes matching the current text style by default
- Improved: Creating a new list preserves the currently active text style
- Improved: Newly-added layout blocks inherit the background color of the preceding block
- Fixed: Wrong sizes for generated desktop PDFs were corrected.
- Fixed: Updated Design Ideas get marked as “updated” instead of “new”
- Fixed: Changing style properties like font size no longer strips emphasis on existing text
- Fixed: Stability improvements.
Version 5.3 introduces default text styles and several small improvements to make newsletter creation more consistent and convenient:
macOS 10.13 High Sierra - macOS 26 Tahoe
- Login now takes place via browser instead of natively
- Document language for automatic hyphenation can be set in the document options
- Hyphenation for new documents can be configured in the app settings
- Layout block backgrounds are now transparent instead of white
- Document subject can be edited directly in the AI popover
- Fixed an issue that frequently triggered the “A local copy of the selected TeamCloud design was found” dialog
- Web fonts in image areas of older documents now load correctly
- Added new social media icons: Threads, Mastodon, and Bluesky
- Updated icons for Facebook, WeChat, and Pinterest; removed Twitter
- New documents are slightly wider on mobile by default (420px instead of 375px)
- Cut, copy, and paste in inspector text fields now works more reliably (previously broken when a layout block was selected)
macOS 10.13 High Sierra - macOS 26 Tahoe
- NEW
Now available in many more languages. If you spot any translation errors, feel free to contact us via the “Help” menu.
Prefer the app in English instead? Switch back via System Settings > General > Language & Region > Apps > Mail Designer 365 > English
Désormais disponible dans de nombreuses autres langues. En cas d’erreurs de traduction, contactez-nous via le menu « Aide ».
Nu beschikbaar in veel meer talen. Neem bij vertaalfouten gerust contact met ons op via het menu ‘Hulp’.
Ora disponibile in molte altre lingue. In caso di errori di traduzione, contattaci tramite il menu “Aiuto”.
Ahora disponible en muchos más idiomas. Si encuentras errores de traducción, contáctanos desde el menú de “Ayuda”.
现在支持更多语言。如有翻译错误,请通过“帮助”菜单联系我们。
現在支援更多語言。如有翻譯錯誤,請透過「說明」選單與我們聯絡。
現已支援更多語言。如發現翻譯錯誤,歡迎透過「幫助」選單聯絡我們。
Тепер доступно ще більше мов. Якщо виявите помилки в перекладі, зверніться до нас через меню «Довідка».
Sada dostupno na mnogo više jezika. Ako primijetite pogreške u prijevodu, kontaktirajte nas putem izbornika „Pomoć”.
Kini tersedia dalam lebih banyak bahasa. Jika terdapat kesilapan terjemahan, hubungi kami melalui menu “Bantuan”.
अब कई अन्य भाषाओं में उपलब्ध। अनुवाद में त्रुटियाँ होने पर कृपया “सहायता” मेनू से हमसे संपर्क करें।
Zdaj na voljo v še več jezikih. Če opazite napake pri prevodu, nas kontaktirajte prek menija »Pomoč«.
Hiện có sẵn bằng nhiều ngôn ngữ khác. Nếu có lỗi dịch thuật, vui lòng liên hệ qua menu “Trợ giúp”.
Nå tilgjengelig på mange flere språk. Ved oversettelsesfeil, kontakt oss via “Hjelp”-menyen.
Teraz dostępny w wielu innych językach. W przypadku błędów tłumaczenia skontaktuj się z nami przez menu „Pomoc”.
Nyt saatavilla monilla uusilla kielillä. Jos huomaat käännösvirheitä, ota meihin yhteyttä ”Ohje”-valikosta.
Kini tersedia dalam banyak bahasa tambahan. Jika ada kesalahan terjemahan, hubungi kami melalui menu “Bantuan”.
Τώρα διαθέσιμο σε πολλές ακόμη γλώσσες. Αν εντοπίσετε λάθη στη μετάφραση, επικοινωνήστε μαζί μας μέσω του μενού «Βοήθεια».
Acum disponibil în multe alte limbi. Dacă observi greșeli de traducere, contactează-ne prin meniul „Ajutor”.
Mostantól sok más nyelven is elérhető. Ha fordítási hibát észlelsz, lépj kapcsolatba velünk a „Súgó” menüből.
Nyní k dispozici ve více jazycích. Pokud narazíte na chybu v překladu, kontaktujte nás přes nabídku „Nápověda“.
Ara disponible en molts més idiomes. Si detectes errors de traducció, contacta amb nosaltres des del menú “Ajuda”.
Teraz dostupné v mnohých ďalších jazykoch. V prípade chýb v preklade nás kontaktujte cez ponuku „Pomocník“.
さらに多くの言語で利用可能になりました。翻訳ミスがある場合は、「ヘルプ」メニューからご連絡ください。
Agora disponível em muitas outras línguas. Se encontrar erros de tradução, entre em contacto connosco através do menu “Ajuda”.
이제 더 많은 언어를 지원합니다. 번역 오류가 있으면 ‘도움말’ 메뉴를 통해 문의해 주세요.
Artık çok daha fazla dilde mevcut. Çeviri hatası görürseniz lütfen “Yardım” menüsünden bizimle iletişime geçin.
ขณะนี้พร้อมใช้งานในหลายภาษา หากพบข้อผิดพลาดในการแปล โปรดติดต่อเราผ่านเมนู “ความช่วยเหลือ”
Nu tillgängligt på många fler språk. Om du hittar översättningsfel, kontakta oss via menyn ”Hjälp”.
Nu tilgængelig på mange flere sprog. Kontakt os via “Hjælp”-menuen, hvis du finder oversættelsesfejl. - Improved: Backgrounds in layout blocks are now transparent instead of white
- Improved: Subject line is now shown in the AI popover
- Improved: Fixed an issue that frequently triggered the dialog “A local copy of the selected TeamCloud design was found”
- Improved: Web fonts in image areas of older documents now load correctly
macOS 10.13 High Sierra - macOS 15 Sequoia
- NEW Blueprints for your team: Blueprints always open as a new draft – perfect for consistently engaging HTML emails, quotes, or other business communications
- NEW Send personalized emails from FileMaker using the Mail Designer 365 API
- NEW Target your designs from third-party apps using the Template ID
- NEW Create placeholders to your contacts
- NEW Send personalized emails from your project using placeholders (new Placeholder Content Panel)
- Improved: Automatic saving of designs
- Improved: Display of text in image areas
- Improved: Many smaller improvements and bug fixes (including SMTP sending)
- Fixed: Calendar preview images for 2025 show the correct year
- NEW Handle everything in the app - from crew chats and direct shipping to campaigns, contacts, and projects
- NEW Organize your email designs into projects
- NEW TeamCloud designs display more details at a glance
- NEW Improved web font download in the font previews
- Improved: Stability improvements
- Improved: Updated list of web fonts available for download
- Fixed: Links for image areas sometimes could not be changed
- NEW Handle everything in the app - from crew chats and direct shipping to campaigns, contacts, and projects
- NEW Organize your email designs into projects
- NEW TeamCloud designs display more details at a glance
- Fixed: Progress dialogs could become stuck
- Fixed: Closing a team document sometimes didn't save pending changes
- NEW Handle everything in the app - from crew chats and direct shipping to campaigns, contacts, and projects
- NEW Organize your email designs into projects
- NEW TeamCloud designs display more details at a glance
- Improved: Stability improvements
- Fixed: Text color of text buttons could be wrong in mobile mode
- NEW Handle everything in the app - from crew chats and direct shipping to campaigns, contacts, and projects
- NEW Organize your email designs into projects
- NEW TeamCloud designs display more details at a glance
- Improved: Reduced app size
- Fixed: Custom image names in HTML export are applied to all images
- Fixed: “System Font” is rendered correctly in the app
- NEW Handle everything in the app - from crew chats and direct shipping to campaigns, contacts, and projects
- NEW Organize your email designs into projects
- NEW TeamCloud designs display more details at a glance
- Improved: Reduced memory usage

