How to Export Office 365 Calendar to PST

Quick Answer. Classic Outlook exports the calendar with Import/Export. New Outlook cannot save calendar items in PST files. Disable Cached Exchange Mode to export more than 12 months. Backup software saves many mailboxes at once.

Which Method Fits Your Calendar?

A PST file is an Outlook data file. The file stores a copy of your Office 365 calendar and travels with you.

MethodScopeCostUse case
Classic Outlook wizardOne mailboxFreeYour own calendar
Backup softwareMany mailboxesPaidAdmin backups

How does Classic Outlook Export the Calendar?

Method #1: Classic Outlook Export Wizard (Free)

Who it suits. Users who export their own Office 365 calendar. Extra application. Classic Outlook.

  1. Open classic Outlook with your Office 365 account.
  2. Select File, then Open & Export and Import/Export.
  3. Select Export to a file and select Next.
  4. Select Outlook Data File (.pst) and select Next.
  5. Select the Calendar folder of your account.
  6. Choose a save location and select Finish.

Outlook starts the export at once. A new file can take an optional password.

Disable Cached Exchange Mode first to export more than the past 12 months of data. The Microsoft export page lists the wizard options.

Why does New Outlook Not Export Calendars to PST?

Microsoft states that calendar and contact items saved in PST files are not available in new Outlook. New Outlook exports through Settings and Files, but the app does not open calendar items from the file.

Switch to classic Outlook for calendar work. Microsoft states that importing a calendar from a PST file is not supported in new Outlook either.

How do You Export Many Calendars at Once?

Method #2: SysTools Office 365 Backup (Paid Software)

Who it suits. Admins who save calendars from many mailboxes. Extra application. Windows backup software.

The SysTools Office 365 Backup saves mail, contacts and calendars to PST. An admin account and a CSV file select many mailboxes.

The vendor page lists a date filter and delta backups. Shared mailboxes and archive mailboxes are in scope.

What can You do With the PST File?

Open the file in Outlook to read the Office 365 calendar. Import it into another account with the PST import guide.

The wizard exports the calendar items only. A full mailbox copy follows the Office 365 to PST guide.

Where Else does the Calendar Go?

Frequently Asked Questions

How do You Export an Office 365 Calendar to PST?

Open classic Outlook, select Import/Export, choose Export to a file and select the Calendar folder.

Does New Outlook Export Calendars to PST?

No. Microsoft states that calendar items saved in PST files are not available in new Outlook.

Can You Export More Than 12 Months?

Yes. Disable Cached Exchange Mode first.

Can the Export have a Password?

Yes. A new file takes an optional password.

Can You Export Many Mailboxes at Once?

Yes. Backup software uses an admin account and a CSV file.

Can You Import the File Into Another Account?

Yes. Use the import wizard in classic Outlook.

Does the Export Remove the Calendar From Office 365?

No. The export creates a copy.

Author's Verdict

Use classic Outlook for your own calendar.

Choose backup software when you save the calendars of many mailboxes.

Key Takeaways

  • Classic Outlook handles calendar items in PST files.
  • Cached Exchange Mode limits the export to 12 months.
  • The export creates a copy.

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