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27 native integrations. 3,200+ tools via managed connectors. Most are one-click OAuth, some use API keys - Viktor handles auth and starts working. No webhooks, no Zapier zaps.
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Viktor is an AI employee that connects to Microsoft Outlook Calendar in one click via OAuth and helps you schedule meetings and manage appointment bookings, running 16 Microsoft Outlook Calendar actions for you like Get Event, List Events, and Accept Event. Ask in plain English in Slack or Microsoft Teams; Viktor does the work in Microsoft Outlook Calendar and reports back. Setup takes about two minutes.
Free to start · No credit card · SOC 2 Type 1 · Works in Slack & Microsoft Teams
Messages you'd actually send. Paste one into Slack or Microsoft Teams, swap in your specifics, and Viktor takes it from there.
“Find a time that works for everyone and send a Microsoft Outlook Calendar booking link.”
— you, in Slack or Teams
“Check Microsoft Outlook Calendar for tomorrow's bookings and send me a morning summary.”
— you, in Slack or Teams
“Watch Microsoft Outlook Calendar for a cancellation and offer the slot to the next person on the waitlist.”
— you, in Slack or Teams
“Reschedule everything on my Microsoft Outlook Calendar calendar affected by this conflict.”
— you, in Slack or Teams
Ask in plain English in Slack or Microsoft Teams. Viktor picks the right Microsoft Outlook Calendar actions, runs the work, and reports back. No workflows to build.
Update an individual instance of a recurring event in the user's default calendar.
Update an event in the user's default calendar.
Tentatively accept a calendar event invitation and optionally propose an alternate time. Use List Events or Get Event to find the event ID. To propose a new time, pass proposedNewTime as a JSON string with start and end objects (each with dateTime in ISO 8601 format and timeZone as a Windows timezone name, e.g. "Pacific Standard Time"). Alternate-time proposals are only valid when the event has allowNewTimeProposals: true and sendResponse is true.
Retrieve a collection of person objects ordered by their relevance to the user, based on communication and collaboration patterns and business relationships.
Search for contacts by name from your saved contacts list and retrieve their email addresses.
Retrieves available options for the Time Zone field.
Get a list of event objects in the user's mailbox.
Get the free/busy availability information for a collection of users, distributions lists, or resources (rooms or equipment) for a specified time period.
Retrieve a calendar event by its Microsoft Graph event ID. Pass the id from List Events when you need full details (for example body, attendees, or recurrence) that list responses may omit or truncate.
Returns the authenticated Microsoft user's ID, display name, email, and principal name via Microsoft Graph. Call this first when the user says 'my calendar', 'my events', or needs to identify themselves as organizer/attendee. Use id or mail to filter results from List Events or set the organizer in Create Calendar Event.
Suggest meeting times and locations based on organizer and attendee availability.
Delete an individual instance of a recurring event in the user's default calendar.
Delete an event in the user's default calendar.
Decline a calendar event invitation and optionally propose an alternate time. Use List Events or Get Event to find the event ID. To propose a new time, pass proposedNewTime as a JSON string with start and end objects (each with dateTime in ISO 8601 format and timeZone as a Windows timezone name, e.g. "Pacific Standard Time"). Alternate-time proposals are only valid when the event has allowNewTimeProposals: true and sendResponse is true.
Create an event in the user's default calendar. Supports one-time and recurring events. and recurring event example.
Accept a calendar event invitation and optionally send a response to the organizer. Use List Events or Get Event to find the event ID.
27 native integrations. 3,200+ tools via managed connectors. Most are one-click OAuth, some use API keys - Viktor handles auth and starts working. No webhooks, no Zapier zaps.
Message Viktor in Slack like you'd message a teammate. "Find a time that works for everyone and send a Microsoft Outlook Calendar booking link." "Check Microsoft Outlook Calendar for tomorrow's bookings and send me a morning summary." Plain English, any tool.
Viktor opens Microsoft Outlook Calendar, runs the work, and posts back what changed. Sensitive actions wait for your approval. Everything is logged. You stop doing the work and start reviewing it.
A Microsoft Outlook Calendar AI agent is an AI that connects to your Microsoft Outlook Calendar account and completes work in it - it doesn't just answer questions about Microsoft Outlook Calendar, it takes the actions. Viktor is that agent: an AI employee that works in Microsoft Outlook Calendar on your behalf and delivers the finished result in Slack or Microsoft Teams.
Unlike workflow builders such as Zapier or Make, there is nothing to configure - no triggers to map, no workflows to maintain. You describe the outcome in plain English, and Viktor picks the right Microsoft Outlook Calendar actions, chains them with the other 3,200+ tools it connects to, and asks for approval before anything sensitive runs.
The calendar and scheduling component of Outlook that is fully integrated with email, contacts, and other features
One-click OAuth - Viktor never sees your password, and you can revoke access at any time.
Review-first approvals: sensitive Microsoft Outlook Calendar actions wait for your sign-off before they run.
Isolated compute per team, encrypted in transit and at rest - and your data is never used to train models.
SOC 2 Type 1 compliant, with Type 2 and ISO 27001 in progress.
Yes. Microsoft Outlook Calendar is one of the 3,200+ tools Viktor connects to, via a managed connector. Once connected, anyone on your team can put Viktor to work in Microsoft Outlook Calendar from Slack or Microsoft Teams - no workflow builder, no code.
Ask for outcomes that span tools — Viktor pulls from Microsoft Outlook Calendar, cross-references the rest of your stack, and delivers one finished result.
Viktor connects to 3,200+ tools and works across them in a single run.
