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Overview

OpenPhone lets you send and receive group text messages to up to 9 other people. When you send a group message, everyone sees the entire conversation and can reply to any messages in the thread. Group messaging works across all OpenPhone apps and supports both SMS and MMS content.
Toll-free numbers currently do not support group text messaging. Use local numbers for group conversations.

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Sending group messages

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Create a group conversation

  1. Click the 💬 chatbox icon above your last conversation to start new conversation
  2. Type in a number or contact name and select from dropdown
  3. Add another number or contact name
  4. Continue adding participants (up to 9 total)
  5. Click into the text box or press Tab to start typing your message
Conversation and chatbox icon in OpenPhone
Adding multiple contacts to send a group message
If contacts don’t appear in the dropdown, add them to your OpenPhone address book first for easier group creation.

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Group conversation example

Once you send a group message, all participants can see and respond to the conversation:
Example of a group text message sent through OpenPhone

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Supported content types

Group messages support the same rich content as individual messages:

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Text and media

  • Links: Web URLs and deep links
  • Emojis: Full emoji support
  • Pictures: .jpg, .jpeg, .png, .tiff formats
  • Videos: Video file attachments
  • GIFs: GIPHY integration (type ”/” to browse)

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Files and documents

  • Documents: PDFs, spreadsheets, presentations
  • Contacts: Share business contact information
  • Other files: Various file types within size limits

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Attachment preview and management

Preview before sending:
  • Click on attached files to see larger version
  • Review content before sending to group
Previewing a file before sending it in OpenPhone
Remove attachments:
  • Hover over attached file
  • Click ✖️ in upper right corner to remove

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Group messaging limitations

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Participant limits

  • Maximum participants: 9 people plus sender (10 total)
  • Toll-free restriction: Toll-free numbers cannot participate in group messaging
  • Number type requirement: Use local numbers for group conversations

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Message delivery

  • Carrier support: All participants’ carriers must support group messaging
  • Delivery confirmation: Individual delivery status may vary by recipient
  • Thread continuity: All replies appear in the shared conversation

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FAQs