Migrate from OST to Zoho Mail: 100% Accurate Process
-
Written By
Aaradhya Jain -
Approved By
Shivam Rathore -
Updated on
October 23rd, 2025 - Read Time
5 minutes
User Query: I have an OST file from my Outlook account, and I want to move all emails, contacts, and calendar items into Zoho Mail. I need a safe, reliable way to migrate from OST to Zoho Mail without losing any data or folder structure. What’s the best method to do this?
Summary: OST (Offline Storage Table) files are created by Microsoft Outlook to store mailbox data locally on your computer. Many users face the challenge of moving emails from OST files to cloud-based services like Zoho Mail. Since Zoho Mail does not support direct OST imports, the migration can seem tricky. In this guide, we will explain a 100% accurate process to migrate OST emails to Zoho Mail safely. You’ll learn both the manual and a professional DRS OST File Converter. These methods ensure that no email, attachment, or folder structure is lost during the transfer.
Instant Solution to Migrate from OST to Zoho Mail
- Download and install the DRS OST Converter Tool.
- Click Select OST File or Select Folder to load your OST files.
- Preview your emails and select them to convert.
- Choose the Zoho Mail saving format & enter its details to sign in.
- Apply optional filters or features if needed. Click Convert.
Real-Life Scenario: Import OST to Zoho Mail
A small business had multiple employees using Outlook with OST files for years. They switched to Zoho Mail to manage team communication in one place. By using a reliable OST to Zoho Mail solution, all mailbox data was migrated securely without losing any important information. The process was fast, accurate, and stress-free.
Reasons to Migrate emails from Outlook OST to Zoho Mail
- Access all Outlook emails in Zoho Mail without keeping Outlook installed.
- Keep all folders, attachments, and metadata intact.
- Use Zoho Mail’s ad-free interface and advanced email management tools.
- Furthermore, improve accessibility and collaboration by moving data to a cloud platform.
Method 01: Manual Method to Migrate from OST to Zoho Mail
Zoho Mail allows manual migration using IMAP settings. Here is how you can perform it:
- Firstly, open Outlook and configure your Zoho Mail account using IMAP.
- Then, drag and drop emails from OST folders to the Zoho Mail folders in Outlook.
- Wait for Outlook to sync all emails to Zoho Mail servers.
Limitations: Manually Transfer OST File to Zoho Mail
- This method is time-consuming for large OST files.
- Risk of incomplete migration or duplicate emails.
- Additionally, it requires technical knowledge for IMAP setup.
Method 02: Professional Tool to Migrate from OST to Zoho Mail
For a quick and hassle-free solution, you can use the verified DRS OST to Zoho Mail Migrator. This tool allows you to migrate multiple OST files at once with no data loss. It preserves the original folder hierarchy, attachments, contacts, and calendar items during the migration. You can also import OST to Thunderbird and other formats like PST, EML, or MBOX if needed. The tool is compatible with both Windows and Mac systems and does not require Outlook to be installed.
One-Time Service Available
If you prefer not to install software or handle the migration yourself, DRS Softech provides a One-Time Migration Service. Simply share your OST files securely with their technical team, and they will import all emails, contacts, and calendars into your Zoho Mail account. This service guarantees zero data loss, complete folder preservation, and full confidentiality.
Step-by-Step Guide to Import OST to Zoho Mail Without Outlook
- Primarily, launch the DRS OST Converter Tool on your computer.
- Now, click Select File or Select Folder to upload your OST files.
- Then, preview the email and select which items to migrate.
- After that, choose Zoho Mail as the saving format from the list.
- Enter your Zoho Mail credentials (ID & Password) to sign in.
- Apply optional filters or advanced features as needed. Click Convert.
Why Choose DRS OST to Zoho Mail Converter?
- Supports direct migration to Zoho Mail without Outlook.
- Preserves folder structure, attachments, metadata, and calendar items.
- Offers bulk migration for multiple OST files at once.
- Provides a secure and accurate process with zero data loss.
- Moreover, simple interface, suitable for both technical and non-technical users.
Conclusion
In this blog post, we explored several methods to migrate from OST to Zoho Mail using manual and a professional tool. Both methods ensure that your important Outlook data is safely moved to a cloud-based platform. While the manual IMAP method works for small files, it is time-consuming and prone to errors. Using the DRS OST to Zoho Mail Converter guarantees a 100% accurate, fast, and hassle-free migration. You can also opt for the one-time migration service for complete peace of mind.
Frequently Asked Questions
Ans: Use either the manual IMAP method in Outlook or the professional DRS OST Converter for a secure migration.
Ans: It depends on the OST file size. The professional tool migrates large files faster than manual methods.
Ans: Yes, the DRS OST Converter is compatible with both Windows and Mac systems.
Ans: Absolutely. The professional tool ensures zero data loss, maintains folder structure, and keeps all emails and attachments secure.
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.
