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OST to iCal Converter to Convert Outlook OST Calendar in ICS Format

  Rollins Duke
Rollins Duke   
Published: May 1st, 2025 • 4 Min Read

 

OST to ICS Converter is a reasonable and trustworthy software for converting OST calendar in ICS (iCalendar) format. A lot of users worldwide, want to export their calendars from OST (Offline Storage Table) files to ICS format because it is a universal format for storing the calendar information.  Users can easily use ICS files with several email and calendar programs, for example, Microsoft Outlook, Mozilla Thunderbird, Gmail, G Suite, Apple Mail, Exchange Server, etc.

Similar Information – How to Extract Calendar from OST Files?

Users’ Queries

My Outlook got corrupted but I have an OST file that has some important information related to calendars. I want to convert my calendars from OST to iCal format. Can you suggest to me a trustworthy software/service for solving my query? If yes, then please share it with me.

– Zoey, New York

I have several archived OST files in my Windows Machine, I want to migrate Exchange Server, Outlook OST to iCalendar (ICS) format. After converting the OST calendar to ICS format, I can reuse them with multiple programs. If you have a corporate-level solution then please suggest me.

– Xavier, Denver

How to Convert OST to ICS Calendar ?

Download BitRecover OST Export Tool and install it on your Windows Machine. The tool is also known as OST to iCalendar Converter because it comes with a separate ICS saving option.

Download for Windows     Download for Mac

  • Start BitRecover OST to ICS Wizard and load single as well as multiple OST files in software GUI by clicking on the Select Files or Select Folders option. If Microsoft Outlook is installed on your computer, then it is capable to add OST file automatically from the default storage location.

Convert OST files to ICS

choose Calendar

  • Select ICS as saving format.

Select ICS

  • Choose destination path and click on Next button.

Choose destination path

  • Converting OST calendar in ICS format and showing a live conversion progressive report too.

Extracting OST calendar in ICS

  • Outlook OST to iCal conversion process has been completed and showing a message of completion too.

Outlook OST to iCal conversion

  • Users can easily get resultant ICS (iCalendar) files from destination path as showing in the screenshot.

resultant ICS

OST to ICS Converter Features

  1. OST to iCalendar Converter allows to convert multiple OST files to ICS format.
  2. It preserves all attached information during OST to ICS file conversion.
  3. OST to ICS Wizard supports Microsoft Outlook, Exchange and IMAP OST files.
  4. The tool is capable to migrate encrypted OST files to iCalendar files.
  5. OST to iCal Migrator is qualified to export large OST calendar in ICS format.
  6. Users can select the Recovery Mode option in case of corrupted OST files.
  7. It supports both ANSI and Unicode OST files without any error.
  8. It is compatible with MS Outlook 2019, 2016, 2013, 2010, 2007, 2003, 2002, etc. OST files.
  9. Microsoft Outlook installation is not mandatory for OST to iCalendar conversion.
  10. OST to ICS Exporter automatically creates a log report which has information about outputted ICS files.
  11. The tool gives freedom to choose destination path for storing the resultant files.
  12. It supports all latest as well as old Windows Operating System (32 bit and 64 bit).

Get similar product

  1. OST to PST Converter
  2. OST to PDF Converter

Frequently Asked Questions

Que 1 – How to convert Outlook OST to ICS format in simple steps ?

Ans – Just go with these steps for completing the task professionally.

  1. Start OST to iCalendar Converter and load multiple OST files in software UI.
  2. Select Calendar folder, ICS as saving format and press Next button.
  3. Select destination path for storing outputted ICS file and click on Next button.
  4. OST to iCal conversion process is running, it will take very less time.

Que 2 – Does your software keep calendar events, title, summary, start time, and end time, etc. during the process ?

Ans – Yes, it keeps all information during converting OST calendar into ICS format.

Que 3 – Can I convert compressible OST files to ICS format using your product ?

Ans – Yes, it supports compressible, encrypted, and damaged OST files.

Final Words

OST to ICS Converter is an excellent utility for storing OST calendar in ICS format which provides 100% accurate result guaranteed. Users can just check its’ features as it is obtainable with a free demo edition which allows converting a few calendars from OST files to ICS. First, check software functionality using demo edition and after that upgrade it to the pro version for converting unlimited OST (Offline Storage Table) files to ICS format.

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