zcal
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  • Introduction
  • Getting Started
  • Invites
    • Design theme
    • Story image
    • Buffer times
    • Displayed timezone
    • Personalized (one-time use) links
    • Add video conferencing link
    • Custom questions
      • File upload (attachment) custom question
    • Email Reminders
    • Remove zcal branding
    • Redirect on booking
    • Custom write calendar
    • SMS Reminders
    • Follow-up Emails
    • Pre-populate invite fields
    • Multiple location options
  • PROFILE
    • Intro
    • Profile photo
    • Profile Page
    • Customize invite order and visibility
  • Teams
    • Invite team members
    • Team member roles
    • Collective Invites
    • Round Robin
  • Availability
    • Availability troubleshooter
    • Set custom rolling date range
    • Edit custom hours for an invite
    • Setting account saved availability
    • Set invite date range to specific dates
    • Update timezone for multiple invites
    • Update Date Range
    • Block out of office (OOO) days
  • Calendar integration
    • Sync multiple calendars in zcal
    • Custom Write Calendar
    • Connecting Apple Calendar
  • Share your link
    • Embed
    • Copy times to email
  • Polls
    • Meeting polls tutorial
  • Integrations
    • Zoom
    • Webhooks
      • Webhook Payload
    • Zapier
    • Stripe
      • Coupons
      • Packages
    • Google Analytics
    • Meta Pixel
  • Pricing
    • Free Forever plan
    • Pro plan
    • Payments and Billing
  • FAQ
    • General
    • Availability
    • Pricing
    • Polite ways to share a link 🙂
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On this page
  • Why is Google Calendar sending invitations with the subject "Invitation from an unknown sender?"
  • How do I add users to my Pro plan?
  • Do invitees need to sign up for zcal?
  • What do I do if I'm about to lose access to my zcal account email address?
  • What do I do if I've lost access to my zcal account email address?
  1. FAQ

General

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Last updated 1 month ago

Why is Google Calendar sending invitations with the subject "Invitation from an unknown sender?"

Google has enacted a new anti-spam measure that hides calendar invites from unknown senders. Google Calendar will now only automatically add meetings to an invitee's calendar if the sender has previously interacted with the sender in Gmail. If your invitees use Google Calendar and you haven't had any previous email interactions with them, they need to click 'I know the sender' and 'Yes' to accept your invitation.

How do I add users to my Pro plan?

You can add users to your account by first creating a team at https://zcal.co/teams. After you've created a team you'll land on the Members tab. Click the "Invite team member" button to invite a user by email.

Do invitees need to sign up for zcal?

Nope! Your friends and colleagues can respond to your scheduling links without signing up for a zcal account. That said signing up for a zcal account can make the scheduling process even faster. Registered users benefit from seeing calendar overlays on invites and polls, allowing them to see their calendar events on the scheduling page without having to switch tabs to check their calendar app.

What do I do if I'm about to lose access to my zcal account email address?

If your zcal account email is tied to your work or school and you want to change it to your personal email, click the 'Change email' link on the . You'll be guided through a series of steps to confirm your new account email. Once you're done you can login to zcal using your new email address.

What do I do if I've lost access to my zcal account email address?

Having access to your email is necessary to protect your zcal account. If you no longer have access to the email tied to your account, your best option is to create a new zcal account under another email address.

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