Outlook guides and tutorials
18 practical MailSlurp resources
Articles and guides
How to Test Email in Outlook Android Dark Mode
Keep email text and buttons readable in Outlook Android dark mode. Use MailSlurp to compare light and dark previews before sending.
Read moretechnicalHow to Preview Email in Outlook on Android
Check your campaign on the Android phones your customers use. Preview Outlook layouts, text and images with MailSlurp before you send.
Read moretechnicalHow to Preview and Test Email in Outlook on iPhone
Catch cramped text and broken layouts in Outlook on iPhone. Preview your campaign with MailSlurp and compare the other apps your customers use.
Read moretechnicalHow to Preview and Test Email in New Outlook for Windows
Catch email layout and image problems in New Outlook for Windows. Preview the delivered campaign and compare the Outlook apps your customers use.
Read moretechnicalHow to Preview and Test Email Campaigns in Outlook.com
Catch email layout problems in Outlook.com before you send. Preview your campaign with MailSlurp and compare browser, desktop and phone results.
Read moretechnicalWhy Your Campaign Emails Go to Junk in Outlook
Diagnose Outlook junk placement by separating Outlook.com, Microsoft 365 policy, authentication, sender reputation and mailbox rules.
Read moretechnicalBulletproof Email Buttons: Outlook and Mobile Checks
Keep email buttons readable with images off and usable on phones. Review Outlook fallbacks, dark mode, tracked links and tap areas before sending.
Read moretechnicalYour Email Background Disappeared: Keep the Message Readable
See how one email background changes in Outlook and Gmail, then choose a solid-color fallback or foreground image that preserves the campaign's offer.
Read moretechnicalHow to Preview and Test HTML Email in Outlook
Preview HTML email in Outlook desktop, web and mobile apps. Compare layouts, images and dark-mode colors with MailSlurp before sending.
Read moretechnicalEmail Images Not Showing? Keep Your Offer and CTA Readable
Tell blocked pictures from broken image links, see a real missing-image test, and make your campaign understandable before customers download the artwork.
Read moretechnicalWhy Emails Break in Outlook: Seven Problems to Check
Identify the Outlook version, diagnose seven common email rendering symptoms, make a practical editor or template change, and verify the repaired campaign.
Read moretechnicalOutlook versions explained: classic Outlook, new Outlook, Outlook.com, Mail, and the rest
A practical guide to the many Outlook apps, including release dates, operating systems, rendering engines, and which version matters for email testing.
Read moretechnicalHow To Create Outlook Email Templates and Test Them Reliably
Learn how to create reusable Outlook email templates, avoid formatting issues, and test links, variables, rendering, and deliverability before sending.
Read moretechnicalOffice 365 SMTP Settings: Server, Port, TLS, Auth, and Testing
Configure Office 365 SMTP settings for smtp.office365.com, port 587, STARTTLS, mailbox auth policy, relay choices, and safe MailSlurp validation.
Read moretechnicalMicrosoft SNDS: Setup, Reputation Signals, and How To Use It
Learn how to set up Microsoft SNDS, which Outlook sender signals it exposes, how to interpret reputation and trap data, and how to act on it without guessing.
Read moretechnicalHow to Send Email From Excel: VBA, Outlook, and No-Macro Options
Learn how to send email from Excel using VBA, Outlook, mailto formulas, and SMTP. Covers bulk email, attachments, HTML email, and safer alternatives.
Read moretechnicalEmail Parser Microsoft Outlook Integration for Shared-Mailbox Workflows
Build an email parser Microsoft Outlook integration that converts shared-mailbox traffic into validated CRM, ticketing, and operations actions.
Read moretechnicalHow to Add an Animated Email Signature in Gmail and Outlook
Add a GIF to your Gmail or Outlook signature, keep contact details readable without animation, and test the finished email across clients.
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