How to Plan Accessible Virtual Events

Accessible virtual events start long before anyone joins a session. Your platform, registration page, presenters, and follow-up decide who can participate fully. This guide walks through each stage, with added detail for multi-day and weeklong programs.

How Do You Make a Virtual Event Accessible?

Choose a platform with native captioning, screen reader support, keyboard navigation, and interpreter views. Build accessibility into registration with an accommodation statement and a request question. Brief moderators and presenters on inclusive delivery, and test with assistive technology before going live. Afterward, provide captioned recordings and transcripts.

Why Accessibility Matters for Virtual Events

Disability affects a significant share of any audience. When you build accessibility into planning from the start:

• More people can participate fully, regardless of disability or temporary limitation.
• Live and on-demand sessions stay usable for more of your audience.
• Your content works across more devices, connection speeds, and assistive technologies.

Access also shapes whose ideas reach the room. When attendees can participate fully, your event gains their perspective, skills, and insight.

If you don't have a disability yourself, it can be hard to picture what an attendee might need. That's why accessibility works best as a planning discipline, applied at every step.

Disability by the Numbers

• The World Health Organization estimates that 1.3 billion people, about one in six worldwide, experience significant disability. 
• More than one in four U.S. adults reports having a disability, according to the CDC  
• People with disabilities are a major consumer market, with spending estimates soaring to $675 billion in the U.S. alone. (DisabilityIn.org 2026 research)

Accessible events serve your community and your business goals at the same time.

Inclusive Design Principles

Inclusive Design Principles give content creators a practical framework for designing around the needs of people with disabilities. Keep them in mind as you plan your event:

• Provide a comparable experience
• Consider the situation
• Be consistent
• Give control
• Offer choice
• Prioritize content
• Add value

Key Accessibility Laws and Standards

Three frameworks shape accessibility expectations for virtual events. They also give legal, IT, and event staff a shared vocabulary when they review your plan together.

The Americans With Disabilities Act (ADA)

Congress passed the ADA in 1990 to prohibit discrimination against people with disabilities in public life. The law predates virtual events. The U.S. Department of Justice has since stated that ADA requirements apply to the web content of businesses open to the public. 

Section 508 of the Rehabilitation Act

Section 508 requires federal agencies to make their electronic and information technology accessible. While it applies to government entities, it also sets a common benchmark for higher education, enterprise, and nonprofit organizations. If you run events for federal agencies or in GCC High environments, expect Section 508 questions during procurement.

Web Content Accessibility Guidelines (WCAG)

The World Wide Web Consortium (W3C) publishes WCAG, the most widely used digital accessibility standard. WCAG organizes its requirements around fur principles: content must be perceivable, operable, understandable, and robust.

WCAG 2.1 Level AA is a widely accepted baseline for registration flows, event sites, and session content. It's also the level the Department of Justice adopted in its 2024 rule for state and local government web content . W3C published WCAG 2.2 in October 2023, so check which version your organization's policy references.

Choosing an Accessible Virtual Event Platform

Your platform sets the ceiling for what's possible. If accessibility is missing at the platform level, good intentions won't close the gap.

Look for Built-In Accessibility Features

When you evaluate platforms like Microsoft Teams, Zoom, Google Meet, or GoTo Meeting, look for:

• Screen reader compatibility and clearly labeled controls
• Automatic or live captioning options
• Full keyboard navigation and shortcuts
• Support for interpreter views
• Clear audio and volume controls
• Settings attendees can adjust to fit their own needs

If you expect attendees who are Deaf or hard of hearing, prioritize accurate captioning and interpreter support. If attendees rely on keyboard navigation or screen readers, test chat, Q&A, polls, and breakout flows ahead of time.

Platforms update their features regularly, so add accessibility questions to every renewal conversation. Ask vendors for their Accessibility Conformance Report (ACR)  , which documents how the product performs against WCAG and Section 508, or their Voluntary Product Accessibility Template (VPAT) , that vendors use to explain how an Information and Communication Technology (ICT) product meets accessibility standards.

Third Party Integrations for Advanced Accessibility Features

Check whether each accessibility feature is native to the platform or added through a third-party integration. Outside integrations raise security and privacy questions, including data exposure, unauthorized data sharing, and less visibility into where attendee data goes. Bring in your IT or security team before you approve one. 

Building Accessibility Into Registration

Registration is your attendees' first experience of your event. It's also the first place an accessibility gap show up.

Write an Accommodation Statement

Add an accommodation statement to your registration page and attendee-facing materials. It signals that you know your obligations, welcome requests, and plan to honor them. A strong statement:

• Lists the accommodations you provide without request, such as live captions. 
• Gives a named contact for additional requests.
• States that you won't ask about or require documentation of anyone's disability.
• Sits near your registration questions, where attendees will see it.

Design an Accessible Registration Page

Your registration page should include:

• WCAG-conformant color contrast
• A clean, readable font size
• Alt text on every image
• Simple menus and clearly labeled action buttons

Evaluate the page with a tool like WebAIM's WAVE before you send the link out.

Keep Registration Questions Clear

Mark required questions clearly and give every input field a label. For graphic buttons, add the label to the image's alt text. Keep the order of questions logical , and include an optional question for accommodation requests.

Send Clear Confirmation Instructions

Include clear, step-by-step joining instructions in every registration confirmation. This helps every attendee and prevents day-of scrambles. Follow up regularly with attendees who requested accommodations to confirm their arrangements.

Preparing Your Event Program

Set Accessibility Standards

Set accessibility standards and documentation for your event program. Standardize attendee-facing materials on WCAG-conformant design, and apply the same approach to captions, transcripts, and captioned media across every event, so attendees know what to expect each time. 

Build a Vetted Resource List

Keep a vetted list of accessibility providers for internal use and attendee requests. Include live captioning services and audio description services. Audio description narrates key visual content for attendees who are blind or have low vision.

Fine-Tuning Accessibility for Your Live Event

An inclusive virtual event requires organizers to think past features to real-world usability. Here's how to make your event work for everyone.

Document Your Accessibility Standards

Write down your accessibility baseline for captions, transcripts, materials, and design. Documented standards keep every event in your program consistent, whoever is running it.

Test Accessibility Features

Run rehearsals that cover screen readers, keyboard-only navigation, and caption accuracy. If possible, ask someone who uses assistive technology to test registration, session entry chat, and breakout navigation. 

Pro tip: Fix issues early so your live sessions stay focused on content. 

Communicate Accessibility Options Clearly

Tell attendees which accommodations are available and how to use them, including how to turn on captions. Share these details on your event site and confirmation and reminder emails. Transparency builds trust.

Provide Captions and Transcripts

Caption every live session. Automatic captions keep improving, but human-generated captioning, or CART  usually delivers better accuracy for technical or multi-speaker events. Microsoft Teams supports CART captions in meetings, so you can bring in a human captioner without leaving the platform.

Captions do more than support Deaf or hard of hearing attendees. They also help with comprehension, focus, retention, and auditory processing. They let people who are in noisy environments follow along, as well.

Offer Sign Language Interpretation

Attendees who use American Sign Language (ASL) need a visible interpreter against a clear, distraction-free background. Microsoft Teams offers sign language mode,  which keeps interpreters visible throughout the session. Share slides, speaker names, and technical terms with interpreters ahead of time so they can prepare.

Ensure Clear Audio and Video

Ask presenters to use quality microphones and a quiet spaces, and to face the camera whenever possible. Check lighting and camera placement so faces stay visible for lip-reading and visual cues. Small adjustments here make a noticeable difference in the attendee experience, and in what attendees say afterward.

Make Visuals Accessible

Slides should be easy on the eyes, literally. Apply the same contrast, font, and alt text standards you used on your registration page, then add these slide-specific habits:

• Put one idea on each slide, since a wall of text helps no one
• Write alt text that explains what each image, chart, or table communicates and why it's there
• Avoid decorative text styles and color combinations that hurt readability
• Confirm that screen readers can read your slide content

Provide Accessible Materials

Share agendas, speaker lists, session summaries, and presentation files before the event. Use accessible formats: structured Word documents, HTML pages, and properly tagged PDFs. Skip image-only PDFs, and use real headings, lists, and tables so screen readers can navigate the content. Services like RoboBraille can help by converting documents into accessible formats.

Support Presenter Accessibility

Ask presenters early whether they need accommodations. Give them guidance on speaking pace, slide design, and handling questions so every session stays inclusive.

Provide a Telephone-Based Option

Dial-in numbers help attendees with limited internet, limited devices, or assistive tools that work best by phone. Confirm dial-in availability for your event format and licensing before you promise it. (Note: Presently, Teams Town Hall does not offer a dial-in option for attendees.)

Designate an Accessibility Point Person

Assign a team member who knows your accessibility features to handle issues and questions through live chat, a dedicated help desk, or on-call tech support.

Use Calm Virtual Backgrounds

Simple, static, high-contrast backgrounds work best. Skip flashing or animated options, as they can cause sensory overload and distraction. Additionally, flashing content can trigger seizures in people with photosensitive epilepsy.

Plan for Breaks

Digital fatigue affects everyone, and disability can compound it for many reasons. Build regular breaks into your agenda so your attendees can recharge, process information, and come back ready to re-engage.

Remember Your Breakout Rooms and Sessions

Apply your accessibility accommodations to breakout rooms and every other virtual venue in your event, including captions, interpreters, and screen reader-friendly navigation.

Keep Post-Event Access in Mind

Record every session, and include captions and transcriptions in your follow-ups. That tells attendees your attention to accessibility continues after the live stream ends.

Accessibility Guidelines for Moderators 

Moderators can make or break the live experience for attendees with accommodation needs. Share these guidelines with every moderator before the event.

• Communication Guidelines: Post participation expectations in the chat and repeat aloud at the start. Explain what to expect during Q&A.
• Announcements: Walk through the agenda out loud at the opening, and announce transitions and breaks as they happen.
• Cues: Tell participants clearly when you're asking them to respond to a question activity.
• Agenda Keeping: Keep the event on track and on-topic. 
• Turn-taking: Use tools like the Raise Hand feature in Microsoft Teams to pace conversation evenly. Ask presenters and attendees to state their names before speaking. Names help screen reader users, caption readers, and interpreters to follow who's talking.
• Background Noise: Ask attendees to mute when they aren't speaking.
• Chat Monitoring: Attendees can use the chat for many reasons. Watch it closely and read messages out loud when that helps the group follow along.
• Patience: Keep a steady pace and allow pauses between topics so everyone can catch up and process. 
• Rehearse: Practice timing, hand-offs, and presenter-moderator interactions ahead of time.

Accessibility Guidelines for Presenters

Ask presenters early whether they need accommodations of their own. Then share these slide and delivery habits with every speaker:

• Face the Camera whenever possible to support lip-reading.
• Separate video from slide text: Put video embeds and slide copy on different slides, because a screen reader competing with playing media creates a frustrating experience.
• Leave room for captions: Keep a margin at the bottom of each slide so captions don't cover content.
• Caption all media you play during the session.
• Run an accessibility checker before presenting. PowerPoint has one built in.
• Pause before advancing to the next slide or media clip.

Planning Accessibility for Multi-Day and Weeklong Events

Multi-day formats multiply every accessibility decision. A caption delay or an unlabeled button is a minor annoyance in a 45-minute webinar, but by day three, it's the reason someone stops logging in.

• Collect requests for every session: CART and ASL interpretation require advance booking, so ask each registrant which sessions they plan to attend. Set a request deadline that gives your team time to schedule providers.
• Repeat accessibility information daily: Attendees join and rejoin across the week, so include captioning interpreter, and support details in every daily reminder.
• Keep every day consistent: Use the same session formats, layouts, and navigation throughout the program.
• Staff support for the whole schedule: Confirm coverage from your accessibility point person for every day and time zone on the agenda.
• Plan interpreter staffing: For longer sessions, interpreters typically work in pairs and rotate at set intervals to maintain accuracy.
• Publish captioned recordings promptly: Attendees who miss a session can catch up before the next day begins.

Accommodations for Attendees with Cognitive Disabilities

Many of these practices make events easier for everyone to follow.

• Use clear, direct language
• Define jargon the first time it appears (if you need it at all)
• Break complex topics into smaller segments
• Recap key points at the beginning and end of each session
• Keep sessions short enough to hold focus
• Use clean sans-serif fonts with generous line spacing in documents, which many readers with dyslexia find easier to read

Support With Visuals

Keep slides uncluttered. One idea per slide beats a wall of text every time.

Share Materials in Advance

Send agendas, speaker lists, and session summaries before the event so attendees know what to expect.

Pace Sessions Thoughtfully

Shorter sessions with breaks support processing and focus. Give moderators simple scripts for pausing, recapping, and inviting questions.

Keep Design Consistent

Use consistent layouts, fonts, and structures across sessions, tracks, and days. Predictability reduces cognitive load.

Accommodations for Attendees With Sight Disabilities

Attendees who are blind or have low vision depend on the labeling, alt text, and screen reader testing covered earlier in this guide. Two more steps round out their experience.

Offer Audio Description

Audio description narrates key visual content, such as product demos or on-screen data, for attendees who can't see it. Arrange it through a provider for sessions where visuals carry the message.

Communicate Magnification Options

Tell attendees about built-in zoom features and browser shortcuts before the event starts.

Accommodations for Attendees With Hearing Disabilities

Captions and interpretation carry most of the load for Deaf and hard of hearing attendees. During sessions, pair spoken content with visuals, timers, and chat confirmations to reinforce key messages.

Accommodations for Attendees With Speech and Mobility Disabilities

Attendees with speech disabilities may communicate through chat, text, or augmentative alternative communication (AAC) devices. Accept questions in advance and in chat. Brief presenters and moderators to give AAC users time to compose responses during Q&A.

Attendees with mobility disabilities often rely on keyboard navigation, voice control, or switch devices. Test tab order and visible focus states so keyboard users always know where they are. Make sure every control on your registration page and event platform works without a mouse. Screen reader users benefit from this testing, too. 

Accessibility Resources, Tools, and Services

Keep a vetted list of providers for internal use and attendee requests. These are a good starting point.

Captioning and Transcription Services

• National Captioning Institute (NICAP) - Professional captioning and transcription services
• CaptionAccess - Captioning for live and pre-recorded events
• StreamText - Real-time text streaming for webinars and conferences
• Rev - Captioning and transcription services

Document Conversion

• RoboBraille - Converts documents into accessible formats, including audio and braille.

Accessibility Checkers

• Microsoft Office Accessibility Checker - Built into Word, PowerPoint, and Excel
• WebAIM WAVE - Evaluates web pages, including registration pages, for accessibility issues
• WebAIM Contrast Checker - Measures color contrast against WCAG standards

Screen Readers

Your attendees may use these common screen readers, so include them in your testing:

• JAWS - A widely used commercial screen reader for Windows
• NVDA - A free, open-source screen reader for Windows
• VoiceOver - The screen reader built into Apple macOS is iOS

Measuring and Improving Accessibility After Your Event

After your event:

1. Send a post-event survey with at least one accessibility-focused question
2. Ask what went well, what didn't, and what you could improve
3. Review support tickets and chat logs
4. Document your findings

Use what you learn to update templates, presenter guides, and platform settings before the next event.

How EventBuilder Supports Accessible Virtual Events

EventBuilder builds accessibility into how we design virtual experiences, starting at registration. Our attendee-facing products conform to WCAG 2.1 AA, and we scan then quarterly to maintain conformance. 

We also help organizers:

• Add accommodation questions to registration with conditional logic, so follow-up fields appear only for attendees who need them. 
• Add automated and human-generated captioning in multiple languages.
• Coordinate ASL interpreters for single sessions or full multi-day events.
• Plan formats, materials, and communications that support attendees with different disabilities,
• Give attendees a direct line to help through 24/5 technical support.

Since 2016, we've delivered more than 75,000 of Microsoft's own events, so we know how Teams accessibility features behave under real event conditions.

FAQ: Accessible Virtual Events

1. Do virtual events need to be ADA compliant?

If your event is open to the public, customers, or partners, plan as if ADA requirements apply. The U.S. Department of Justice has stated that the ADA covers the web content of businesses open to the public. For a definitive answer on your organization's obligations, consult your legal team.

2. What's the difference between automatic captions and CART?

Automatic captions come from speech recognition software, and their accuracy drops with jargon, accents, crosstalk, or poor audio. CART (Communication Access Realtime Translation) uses a trained human captioner writing in real time. CART typically delivers higher accuracy for technical content, regulated topics, and multi-speaker sessions.

3. Which accessibility standard should a virtual event meet?

WCAG 2.1 Level AA is the most widely used baseline for registration pages, event sites, and session materials. It's also the level adopted by the U.S. Department of Justice's 2024 rule for state and local government web content. Confirm whether your organization's policy requires 2.1 or the newer WCAG 2.2.

4. How do you know if virtual event software supports WCAG accessibility?

Ask the vendor for its Accessibility Conformance Report (ACR), and confirm which WCAG version and conformance level it covers. Check when the report was last updated. Then test registration, joining, and chat yourself with a screen reader and keyboard-only navigation.

5. What should a virtual event accommodation statement include?

List the accommodations you provide automatically, name a contact for additional requests, and state that you won't require documentation of anyone's disability. Place it near your registration questions, where attendees will see it before they finish signing up.

6. How do you make a multi-day virtual event accessible?

Collect accommodation requests for every session each registrant plans to attend, and book CART and interpreters early. Repeat accessibility details in daily reminders. Keep formats consistent across days, staff support for every time zone, and publish captioned recordings promptly so attendees can catch up.

7. Do on-demand recordings of a virtual event need captions?

Yes. Caption every recording and provide a searchable transcript alongside it. WCAG includes captions for pre-recorded video at Level A, its most basic conformance level. 

Plan Your Accessible Event with EventBuilder 

Every virtual event gives attendees many chances to engage and just as many chances to hit a barrier. EventBuilder's event managers plan and deliver accessible virtual events on Microsoft Teams, from registration through on-demand recordings. Talk to our team today!

Disclaimer: This article was created with some help from AI, but thoroughly edited, revised, reviewed, and fact-checked by a living, breathing, coffee-drinking human writer. Any and all em-dashes were strictly human-created.