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Outlook Calendar vs Xero

Outlook Calendar logo

Outlook Calendar

Software

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite
Xero logo

Xero

Software

Beautiful accounting software

From
$13/month
Rated
-
Full reviewWebsite

The short version

  • Only Outlook Calendar has a free tier, so it costs nothing to try first.
  • Each has a real cost: Outlook Calendar offline support limited to only past 30 days of events, older events unavailable; Xero the Early plan caps you at 20 invoices and 5 bills per month, and the invoice limit counts both approving and sending
  • They diverge on capability: Outlook Calendar covers Meeting scheduling, Xero covers Bank reconciliation.

Where they differ

Only the attributes on which Outlook Calendar and Xero actually diverge.

Attributes where Outlook Calendar and Xero differ
AttributeOutlook CalendarXero
Starting priceFree$13/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, Windows, macOS, iOS, AndroidWeb, Ios, Android, Api
Founded19752006

Identical on both: user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Outlook Calendar

  • Meeting scheduling
  • Shared calendars
  • Room booking
  • Availability sharing
  • Recurring events
  • Microsoft Teams
  • OneDrive
  • SharePoint

Only in Xero

  • Bank reconciliation
  • Invoicing
  • Bill payment
  • Expense claims
  • Financial reporting
  • Inventory tracking
  • Project tracking
  • Mobile apps

What people use each for

The jobs each tool is most often brought in to do.

Outlook Calendar

  • Schedulingnot Xero
  • Appointment bookingnot Xero
  • Time trackingnot Xero
  • Resource managementnot Xero
  • Team coordinationnot Xero

Xero

  • Small business bookkeeping, invoicing and bank reconciliationnot Outlook Calendar
  • Bill payment and purchase order managementnot Outlook Calendar
  • Sharing books with an accountant or bookkeepernot Outlook Calendar

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Outlook Calendar

  • Offline support limited to only past 30 days of events, older events unavailable
  • Shared calendars and group calendars not available offline
  • Cached Exchange Mode issues can limit available offline data
  • Occasional sync conflicts when coming back online

Xero

  • The Early plan caps you at 20 invoices and 5 bills per month, and the invoice limit counts both approving and sending
  • Invoices created by connected app partners count against the Early plan invoice limit
  • Multiple currencies, project time and cost tracking, employee expense and mileage claims and industry benchmarking are restricted to the top Established plan at $90 per month
  • Cash flow forecasting is capped at 30 days on Early and 60 days on Growing, with 180 days only on Established
  • Payroll is not included in any plan and costs an extra $36 a month plus $6 per employee or contractor through Gusto
  • Inventory Plus is a paid optional add-on rather than part of any plan
  • The advertised 90% off applies only to the first 6 months, after which the regular $25, $55 or $90 monthly price auto-renews
  • The introductory discount excludes add-ons, usage charges and payment fees
  • Payment fees apply to online invoice payments and to bill payments other than standard domestic ACH, and are billed on top of the subscription
  • Subscriptions are billed monthly with no annual payment option, and after upgrading you must wait one month before downgrading to a cheaper plan
  • Xero states subscription prices are increasing from October 1, 2026

Pricing, plan by plan

Outlook Calendar

Free
  • FreeFree
    • Outlook.com email and calendar
    • 50MB attachment limit
    • 1GB cloud storage
  • Microsoft 365 Basic$19.99/year
    • Outlook with limited features
    • Cloud storage
  • Microsoft 365 Personal$99.99/year
    • Premium Outlook
    • Ad-free email
    • 100GB mailbox storage
  • Microsoft 365 Business Basic$6/month
    • Business-class email
    • 1TB cloud storage
    • Microsoft Teams

Xero

$13/month
  • Early$13/month
    • Send 20 invoices
    • Enter 5 bills
    • Reconcile bank transactions
  • Growing$37/month
    • Unlimited invoices & bills
    • Bulk reconcile transactions
    • Short-term cash flow
  • Established$70/month
    • Everything in Growing
    • Use multiple currencies
    • Track projects

Which should you pick?

Choose Outlook Calendar if

  • You need meeting scheduling.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want shared calendars.
Outlook Calendar review

Choose Xero if

  • You need bank reconciliation.
  • You work on Web, Ios, Android, Api.
  • You also want invoicing.
Xero review

Questions people ask

Is Outlook Calendar or Xero better?
Neither clearly leads. Outlook Calendar starts at Free and Xero at $13/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Outlook Calendar or Xero?
Outlook Calendar has a free tier; the other does not. Paid plans start at Free for Outlook Calendar and $13/month for Xero.
Does Outlook Calendar or Xero run on more platforms?
Outlook Calendar runs on Web, Windows, macOS, iOS, Android. Xero runs on Web, Ios, Android, Api.
Can I use Outlook Calendar for free?
Yes. Outlook Calendar has a free tier, so you can try it without paying. Xero starts at $13/month.
What is Outlook Calendar best used for?
Outlook Calendar is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what Xero is typically brought in for.
What can Outlook Calendar do that Xero cannot?
Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Xero covers Bank reconciliation, Invoicing, Bill payment, Expense claims.

Answered from the vendors’ own pages

Outlook Calendar: Is Outlook Calendar free?

Outlook.com with calendar is free via a Microsoft account. Outlook Calendar also comes with Microsoft 365 Personal ($99.99/year), Family ($129.99/year), or Business plans starting at $6/user/month.

Source
Outlook Calendar: Does Outlook Calendar work offline?

Outlook Calendar has limited offline support. New Outlook caches only the past 30 days of calendar items. Shared calendars and group calendars are not supported offline. Changes sync when you reconnect.

Source
Outlook Calendar: What platforms does Outlook Calendar support?

Outlook Calendar is available on Windows (desktop and web), macOS (desktop and web), iOS, and Android. Real-time synchronization works across all devices.

Source
Outlook Calendar: Does Outlook Calendar integrate with Slack?

Yes. Outlook Calendar integrates with Slack to sync your status and receive meeting notifications. You can RSVP to invites directly in Slack and join Microsoft Teams meetings from Slack reminders.

Source
Outlook Calendar: Can you share calendars and set delegate permissions?

Yes. Outlook Calendar supports calendar sharing with delegate permissions, color categories for organization, and the Scheduling Assistant to view attendee availability for meeting times.

Source
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Related pages

More on Outlook Calendar

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