How to Connect Multiple Outlook Accounts to Claude
Claude's Microsoft 365 connector holds one account. Add every mailbox to Carly, connect Carly once, and work across all of them in one conversation.
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Claude's Microsoft 365 connector holds one account. Add every mailbox to Carly, connect Carly once, and work across all of them in one conversation.
Codex reaches Outlook only through MCP. Add every mailbox to Carly, register one MCP server, and address them all from the Codex CLI.
Gemini Spark has no Outlook connector at all. Add every mailbox to Carly, wire Carly in over MCP, and reach them from one Spark session.
Carly holds every Outlook mailbox you own and works across all of them in one Grok Bot chat. Grok Bot's own plugin signs in a single account.
Grok's Outlook connector reaches only the signed-in user's mailbox. Add every Microsoft account to Carly and reach them all from one conversation.
Perplexity's Outlook.com connector queries one inbox and cannot send yet. Add every mailbox to Carly and reach them all from one place.
Zapier MCP connects Claude, ChatGPT, and Cursor to 9,000+ apps. Every tool call costs two tasks from the same quota your Zaps use. Here's the math.
The Zapier SDK gives code and coding agents authenticated access to 9,000+ apps without OAuth setup. TypeScript only, and free while in beta.
ChatGPT can send a Gmail or Outlook message, but its native email action does not attach files. Send a permissioned link, attach manually, or use Carly.
ChatGPT calling api_tool.list_resources and finding no tools usually means the app or connector was not discovered. Diagnose the connection, permissions, and MCP server.
Fix a ChatGPT Gmail connector that searches in a loop, cannot create a draft, targets the wrong account, or stops before sending an email.
A ChatGPT app can work in a live chat but fail in a Scheduled Task. Test runtime access, approvals, account scope, project files, and the connector itself.
Fix a ChatGPT Scheduled Task that runs late, on the wrong day, or in the wrong timezone by making the schedule explicit and rebuilding one clean test.
Find a missing ChatGPT Scheduled Task, resume a paused task, fix failed notifications, and diagnose tasks that work in chat but fail when scheduled.
Claude Cowork-created Gmail drafts can contain malformed google.com/url redirect links. Learn how to inspect the real destination, prevent bad drafts, and send safely.
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Microsoft Copilot reads Gmail but documents no multi-account setup. Here is how to reach several Gmail and Workspace inboxes with Carly.
Grok signs in to one Google account per connector. Add every inbox to Carly, connect Carly to Grok once, and ask across all of them in one conversation.
Perplexity documents one primary calendar and no multi-Gmail setup. Here is how to keep several inboxes available through Carly.
ChatGPT documents one connected Google identity, and secondary-calendar support is unclear. Here is how to work across several calendars with Carly.
Gemini has no Outlook connector on any plan you can buy. Connect every mailbox to Carly, add Carly to Gemini, and reach them all from one conversation.
OpenAI limits its Slack app to one workspace at a time. Here is how to keep internal, client, and community workspaces available through Carly.
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