1. Home
  2. Products
  3. OST Converter Tool
  4. How It Works
How It Works

Cigati OST To PST Converter

A Complete Guide about How To Convert OST Files Using the Cigati OST Converter Software

strip-img

OST Converter Tool

4.7

Download Purchase

User Interface

A user-friendly application with an intuitive design for beginners to navigate effortlessly.

interface

Step-1

Download and launch the Cigati OST to PST Converter on your system.

step

Step-2

Click Select File(s) or Select Folder to add the OST file(s), then click Open.

step

Step-3

After loading the OST file, click Proceed to continue.

step

Step-4

Expand the loaded OST file and select the desired mailbox folder to preview its contents. Then click Proceed.

step

Step-5

Choose PST as the output file format.

step

Step-6

Apply the Date Range Filter to export emails from a specific time period, if required.

step

Step-7

Use the Custom Output Folder option to select the destination location.

step

Step-8

Enable Skip Existing Export to prevent exporting emails that have already been converted.

step

Step-9

Configure the Attachment Handling settings as needed:

  • Export Attachments Separately – Saves attachments in a separate folder.
  • Embed Attachments – Includes attachments within the exported email.
  • Exclude Attachments – Exports emails without attachments.
step

Step-10

Enable Duplicate Detection to remove duplicate emails based on To, From, CC, Subject, and Body fields.

step

Step-11

Use the PST Segmentation option to split large PST files into smaller parts by specifying a size limit.

step

Step-12

Click Browse and select the destination folder.

step

Step-13

Click Start Export to begin the OST to PST conversion process.

step

Step-1

Download and launch the Cigati OST to PST Converter on your system.

step

Step-2

Click Select File(s) or Select Folder to add the OST file(s), then click Open.

step

Step-3

After loading the OST file, click Proceed to continue.

step

Step-4

Expand the loaded OST file and select the desired mailbox folder to preview its contents. Then click Proceed.

step

Step-5

Choose Microsoft 365 (Office 365) as the destination email client.

step

Step-6

Log in using OAuth 2.0 Authentication by entering your Microsoft 365 Admin account credentials, then click Authenticate.

step

Step-7

Use the Date Range Filter to migrate emails within a selected time period.

step

Step-8

Use the Custom Output Folder option if required.

step

Step-9

Enable Skip Existing Export to prevent duplicate migration.

step

Step-10

Apply the following advanced settings:

  • Follow Tree Hierarchy - Preserves the original folder structure during migration.
  • Map with Default Mailboxes - Maps folders such as Inbox, Sent Items, Drafts, Deleted Items, and Junk to their corresponding Office 365 folders.
step

Step-11

Configure the Attachment Handling Option if needed:

  • Exclude Attachments – Migrates emails without attachments to reduce mailbox size.
step

Step-12

Enable the Duplicate Detection feature to filter duplicate emails based on To, From, CC, Subject, and Body.

step

Step-13

Click Start Export to begin the migration process.

step