How to Export Outlook calendar from OST to ICS?

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Read more:- Export Outlook calendar from OST to ICS

Using Microsoft Outlook (if you have access to the original profile)

Open Microsoft Outlook:
Ensure you have access to the original Outlook profile where the OST file is associated.

Export Calendar:
a. Click on "File" in Outlook.
b. Select "Open & Export" and then choose "Import/Export."

Choose Export to a File:
In the Import and Export Wizard, select "Export to a file" and click "Next."

Select Microsoft Excel:
Choose "Microsoft Excel" (or "Microsoft Excel 97-2003" if you prefer an older Excel format) as the file type and click "Next."

Select the Calendar Folder:
In the next window, select the calendar you want to export from the list of folders.

Define the Export Options:
Choose the destination folder for the exported calendar file (e.g., your desktop). You can also set other export options.
Click "Next."

Save the Calendar in CSV Format:
In the "Save Exported File As" window, choose "Comma Separated Values" (CSV) as the file type. Give the file a name and click "Next."

Map Custom Fields:
If prompted, you can map the custom fields if your calendar events have specific properties.

Complete the Export:
Click "Finish" to start the export process. You might be prompted to set a password for the CSV file.

Convert CSV to ICS:
To convert the exported CSV file to the ICS format, you'll need to use a third-party tool or online converter. There are many free tools available online that can convert CSV to ICS. You can search for "CSV to ICS converter" in your web browser and choose one that suits your needs.

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Peter

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