Merge Outlook calendars in 2 stages. Export a calendar as a PST file. Import that file into the destination calendar. Avoid duplicates during the import. Overlay shows calendars together without merging. Steps follow the official page and were not tested here.
Merging puts every item into one calendar. Microsoft documents a manual route with an export and an import.
Facts follow Microsoft Support the article on merging items from multiple calendars. Microsoft lists Outlook for Microsoft 365, Outlook 2024 and Outlook 2021.
What should You Know Before You Merge?
- Merging puts all items into one calendar.
- Calendar overlay shows items together while they remain in separate calendars.
- Exporting copies the items and leaves the originals in place.
- Two stages apply. Export to a PST file then import that file.
How to Export a Calendar to a PST File?
- Select File, Options and Advanced.
- Select Export under Export.
- Select Export to a file and click Next.
- Choose Outlook Data File (.pst) and click Next.
- Select the calendar folder and clear Include subfolders. Select Next.
- Enter a location and file name in Save exported file as or use Browse.
- Select Finish.
How to Import the Calendar Into Another Calendar?
- Select File, Open and Import.
- Select Import from another program or file and select Next.
- Choose Outlook Data File (.pst) and click Next.
- Select Browse, choose your exported file and select OK.
- Tick Do not import duplicates under Options and click Next.
- Select Calendar and clear Include Subfolders.
- Select Import items into the same folder. Choose the destination account when you have several accounts.
- Select Finish.
What does Microsoft Not Say?
- Steps for the new Outlook or Outlook on the web.
- Steps for Outlook for Mac.
- Steps for removing duplicates already in a calendar.
- How to merge calendars from different Outlook profiles.
Related reading: how to delete duplicate calendar entries in Outlook and how to create a PST file in Outlook.
Frequently Asked Questions
How do I Merge Two Calendars in Outlook?
Export one calendar and import that file into the other calendar. Microsoft lists both stages.
Does Exporting Remove the Original Items?
No. Microsoft states that exporting copies the items and leaves the originals in place.
What is the Difference Between Merge and Overlay?
Merging puts all items into one calendar. Overlay shows calendars together while they remain separate.
How do I Avoid Duplicates During the Import?
Tick the duplicates option under Options in the import wizard.
Does Microsoft List Steps for Outlook for Mac?
No. Microsoft lists Outlook for Microsoft 365, 2024 and 2021.
Key Takeaways
- Merging needs an export stage and an import stage.
- Export the calendar to an Outlook Data File.
- Avoid duplicates during the import.
- Overlay shows calendars together without merging.
- Microsoft lists Outlook 2021 and newer for these steps.
Sources and References
Facts follow Microsoft Support.
- Merge items from multiple calendars (Microsoft Support) support.microsoft.com