Import ICS to Office 365: Secure Calendar Transfer
-
Written By
Aaradhya Jain -
Approved By
Shivam Rathore -
Updated on
September 1st, 2025 - Read Time
5 minutes
User Query: I have a bunch of calendar events saved in ICS format from my old calendar app. Now I’m using Office 365, and I need to import these ICS files. So, I can access my schedule in Outlook. What’s the safest and easiest way to import ICS to Office 365?
Summary: ICS (iCalendar) files are widely used for sharing calendar events across different platforms and applications. However, when it comes to managing your calendar in Office 365. You’ll need to properly import ICS file into Office 365. It makes sure everything shows up correctly, no missing meetings or time zone mess-ups. In this blog, we’ll discuss two clear methods: A manual import method using Outlook. Alternatively, a professional DRS ICS Converter Tool for batch ICS calendar imports.
What Are ICS and Office 365 Calendars?
- ICS File: A universal calendar format (.ics) used to store and share events, appointments, and tasks. Also, supported by Google Calendar, Apple Calendar, Thunderbird, etc.
- Office 365 Calendar (Outlook): Microsoft’s cloud-based calendar system that allows users to manage appointments, meetings, and reminders across devices.
Quick Steps to Import ICS to Office 365
- First, download the DRS ICS Converter Tool.
- Next, click on Add File or Add Folder to load your ICS files.
- Preview the calendar events and check for accuracy.
- Then, choose Office 365 as the destination format.
- After that, enter your Office 365 credentials securely.
- In the end, hit Convert to begin the calendar transfer.
Real-Life Example: Import ICS Calendar to Office 365
Ozen, a small business owner, had 100+ event invites exported as .ics files from Apple Calendar. Instead of importing each one manually, he used the DRS ICS Converter Tool. Within minutes, all his meetings, reminders, and repeating events appeared neatly in his Office 365 Calendar, without any duplicates or skipped events.
Why Import ICS to Office 365 Calendar?
- To switch platforms without losing meeting history.
- Access past and upcoming events in Outlook 365 Web or app.
- Manage all calendar items from one central dashboard.
- Also, to create a backup of your calendar events in cloud format.
Manual Method to Import ICS to Office 365: Free
This method works for importing a single ICS file into your Office 365 calendar:
- First, open Outlook Web App in your browser.
- On the left pane, click on Calendar.
- At the top, select Add calendar > Upload from file.
- Further, browse and upload your .ics file.
- Lastly, choose the destination calendar and click Import.
Limitations of Manual Import ICS to Microsoft 365 Calendar Using Outlook:
- Only one ICS file can be imported at a time.
- No option to preview or filter events.
- It doesn’t support batch conversion.
- May not preserve recurrence or reminders accurately.
- Additionally, not ideal for large or bulk imports.
Professional Tool to Import ICS to Office 365
For a quick and hassle-free process, you can use the expert-suggested DRS ICS File Converter. It avoids all the limitations and gives you 100% accurate migration. With its simple interface and advanced features, this process is more reliable for every user. You can Preview, Remove duplicates, Date Filter, and more advanced options. This tool allows you to import multiple ICS files at once with zero data loss. Moreover, it preserves original data formatting, structure, and metadata during the entire process.
One-Time Service Available
Users who need a one-time conversion. Contact our support team with your ICF files, and we’ll handle the migration for you. In addition, it’s a Budget-friendly and hassle-free conversion.
Step-by-Step Guide to Import ICS File into Office 365
- Primarily, download and install the DRS ICS to Office 365 Converter Tool.
- Now, choose: Add Files or Add Folder to upload your ICS files. Click Next.
- Now, you can preview (Cross-verify) and select them to convert. Hit Next.
- After that, choose Office 365 Format from the available Saving Format.
- Enter your Office 365 Credential, including ID and Password to Log In.
- Lastly, use customized features/filters and click Convert.
Why Choose DRS ICS Converter Software?
- It support batch conversion ICS files to Office 365.
- Maintain original event structure, categories, and time zones.
- Offer a 100% secure login using Microsoft OAuth API.
- Option to convert iCalendar Files to DOCX, PST, or Excel
- Furthermore, compatible with all versions of Windows
Exclusive Features of This Tool
- Free Demo Version: A free (Demo) version of this top-notch utility is available to understand its features and functionality.
- Moreover, user-Friendly Interface: The tool has a simple interface, which means tech and non-tech user can easily use it.
Final Words
If you want to import ICS to Office 365, you have two reliable options. The built-in Outlook method for basic needs, or the DRS ICS Converter Tool for fast, secure, and accurate calendar migration. If you have large number of ICS files, its highly suggested to use the professional tool. Lastly, to download this tool, directly connect with our technical support.
Frequently Asked Questions
Ans: You can use the manual method or a professional DRS ICS File Converter to import ICS File into Office 365.
Ans: Yes, using the DRS ICS Converter Tool, you can batch-import unlimited ICS files directly into your Office 365 Calendar.
Ans: No, importing ICS files does not delete or overwrite existing calendar events. It simply adds the new events from the ICS file to your current Office 365 calendar.
Ans: Yes, the DRS ICS File Converter provides automated import functionality. It allows scheduled or batch imports of ICS files into your Office 365 account without manual intervention.
About The Author:
I, Aaradhya Jain, a technical content writer at DRS Solutions, specializes in delivering clear, practical guides on data management, migration, and recovery tools. With a detail-oriented and user-first approach mindset, I transform complex processes into actionable insights for IT professionals and decision-makers.
