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How to Move/Export Calendar from OST to ICS Files?

For a variety of reasons users may need to migrate their Outlook calendars to another application. in that kind of situation, users require to Export Calendar from OST to ICS Files. However, users face difficulty while doing this task. The reason is manually making OST to ICS file conversion is difficult. So, to help users we are here with this blog post. We are going to describe the whole process to export Outlook calendars from OST to ICS files. Continue reading for more information.

An OST file uses by Outlook to store various types of data from users’ profiles. This single OST file contains all user’s emails, contacts, calendars, and many other data of users.

But saving multiple types of data to a single file can create various problems for users. As a result, users are sometimes require to separate data items from OST files. One of all the data items of Outlook is calendars. User in various situations requires to Extract calendars from OST files separately in ICS files.

ICS is a file type to save calendar items separately with complete information. A variety of applications supports and use ICS as a standard for storing, importing as well as sharing Calendar data. By Conversion OST to ICS file users will become able to access their Outlook calendar from multiple unsupportable devices.

Also Read:- How to Export Contacts from Outlook OST to VCF/vCard Files?

Now let’s see which is the best method available to Export Outlook Calendar From OST to ICS files.

Export Outlook Calendar from OST to ICS Using Automated Tool

Manual transferring Outlook calendar from OST to ICS files is possible when a user has a healthy OST file and working Outlook profile. Furthermore, the manual technique has a number of drawbacks.

So, for this reason, all users require and recommends using an automated tool to perform the task to convert OST Calendar to ICS files. SysInspire OST Converter Software is the finest way that any user can utilize for OST calendar conversion with smart and easy steps.

This application includes intelligent features and an intuitive UI that will assist you in doing a quick and accurate conversion.

How to Export Calendar from OST to ICS Files with SysInspire OST Converter?

  • Download/install and run the SysInspire OST Converter Software to your machine.export ost to pst
  • Press the Select OST button on the software’s initial screen.
  • Choose Single File or Bulk OST File Selection from conversion modes options, then click Next.
  • Add OST file and press the Scan Scanning button to extract all OST file inner folder and items.export ost to pst
  • Begin the OST file scanning process to extract all of its inner data like- emails, contacts, calendar, etc.
  • Select the calendar folder from OST file in the software’s preview screen, then click the Save OST button.export ost to pst
  • Next, choose the Export to ICS radio button from the conversion options list.ost recovery
  • Hit, the Browse button, to choose a location to save the resultant files.
  • In the last step, click the Convert button and start the process of exporting Outlook calendars from OST to ICS files.


A number of people in this world need to export Outlook Calendars to ICS files. So, to help them in the section above, we’ve explained the simplest technique to move/Export Outlook calendars from OST to ICS file format. Both technical and non-technical people can use this method to quickly convert OST to ICS files. Users can try the free demo version of OST converter, which allows you to export up to 25 calendar entries from OST to ICS files.


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