How do I backup IMAP email to PST without Microsoft Outlook?

WindowsUtils IMAP Backup Software features a standalone PST conversion engine. You do not need Microsoft Outlook installed on your PC. Simply enter your IMAP server credentials, choose 'PST' as output format, and click Start Backup.

Can I backup IMAP accounts with two-factor authentication (2FA) enabled?

Yes. For accounts with 2-Step Verification enabled (such as Gmail, Yahoo, or Zoho), generate an App Password in your account security settings and enter it into the software's password field along with SSL Port 993.

Does this tool preserve email attachments and folder hierarchy?

Yes, 100%. The software preserves all binary attachments (PDF, DOCX, images), inline graphics, email metadata (To, From, CC, BCC, Date, Subject, Message-ID), and the exact folder tree (Inbox, Sent, Drafts, custom folders).

How does WindowsUtils compare to open-source tools like imapbackup Python script?

While open source command-line scripts like imapbackup require Python environments and export only raw mbox files, WindowsUtils provides an intuitive GUI, automated SSL/TLS negotiation, multi-threaded conversion to Outlook PST, PDF with embedded attachments, incremental backup filtering, and enterprise customer support.

Can I use this IMAP backup tool on Mac?

WindowsUtils IMAP Backup is natively optimized for Windows 11, 10, 8, and Windows Server. For Mac users needing an IMAP backup tool mac workflow, you can run the tool in Boot Camp or a Windows virtual environment or export to MBOX/EML format which imports directly into Apple Mail.

Developer Tutorial•Official Step-by-Step Guide

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How to Use IMAP Backup Software Step-by-Step Visual Walkthrough

Backup IMAP Mailboxes to Local Storage & Multiple Formats

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100% Offline Local Processing Zero Cloud Data Uploads Preserves Metadata & Attachments Windows 11 & 10 Certified

Execution Time10m Total

Data Protocol100% Read-Only

WorkstationAir-Gapped Local

01Phase 1

Select Source Files or Accounts

02Phase 2

Configure Processing Parameters & Filters

03Output

Process & Save Output

Pre-Flight Readiness

Before You Begin with WindowsUtils IMAP Backup Software

Review these essential prerequisites to ensure high-speed, 100% uninterrupted processing on your Windows system.

System OS

Check 01

Verify your Windows system meets

Verify your Windows system meets the minimum operating system requirements

ReadyVERIFIED

Storage

Check 02

Ensure you have sufficient free

Ensure you have sufficient free disk space on your target destination drive

ReadyVERIFIED

Permissions

Check 03

Run the utility with Administrator

Run the utility with Administrator permissions for uninterrupted processing

ReadyVERIFIED

Safety Protocol

Check 04

Keep source files backed up

Keep source files backed up or closed in third-party applications before processing

ReadyVERIFIED

Non-Destructive Guarantee: All operations execute in 100% read-only mode. Source files and folders remain completely untouched.

ISO/IEC 27001 Aligned

Step-by-Step Pipeline

How to Use WindowsUtils IMAP Backup Software

Follow this step-by-step developer tutorial to execute your conversion, processing, or repair workflows locally on your Windows machine with zero cloud dependency.

Easy 4-Step Flow 100% Offline Safe 2-Min Execution Windows 11 / 10 / Server

WindowsUtils

Execution Walkthrough

Follow These Steps

From binary setup to batch processing and final output verification, here is how to use WindowsUtils IMAP Backup Software.

Step 1

Select Source Files or Accounts

Launch IMAP Backup Software and select your source files, accounts, or database folders to begin processing.

Pro Tip:Use batch selection to add entire folders at once.

setup_wizard.exe

Signed & Verified

WindowsUtils IMAP Backup Software Setup

v4.8.0

Launch IMAP Backup Software and select your source files, accounts, or database folders to begin processing.

C:\Program Files\

OptionsInstall

Step 2

Configure Processing Parameters & Filters

Choose conversion options, naming conventions, target destinations, and custom filtering criteria.

Pro Tip:Preview your items in the grid to verify integrity before processing.

workspace://load-source

Ready

IMAP

Repository

Configure Files

Batch Queue

Drag & Drop or BrowseChoose Files

Step 3

Process & Save Output

Click Start to process your items at high speed with 100% accuracy and complete folder structure preservation.

Pro Tip:Review the generated summary report once processing completes successfully.

inspector://parameters

Configured

Filter by date, format, range...

Pipeline Parameters ValidatedAll input fields checked

100% OK

Output FormattingPreserves original schema

Native High-Q

Jump to Step:

Engineering & Architectural Guarantees

Why Professionals Choose WindowsUtils IMAP Backup Software

Designed for system administrators, IT consultants, forensics investigators, and corporate teams demanding bit-for-bit precision and uncompromising security.

Non-Destructive

100% Read-Only Safety Protocol

Our engine executes strict read-only instructions on source archives. Source messages, flags, read/unread states, and labels remain completely unchanged.

Active ProtocolISO CERTIFIED

Structure

Pixel-Perfect Folder Hierarchy

Retains the exact nested folder hierarchy — including Inbox, Sent, Archives, and custom user labels — without flattening or misplacing folder structures.

Active ProtocolISO CERTIFIED

Lossless

Zero Metadata & Attachment Loss

Preserves every header, Sender, Recipient, CC/BCC, timestamp, inline graphics, MIME structures, and binary file attachments in their authentic byte-level form.

Active ProtocolISO CERTIFIED

Smart Sync

Incremental Deduplication Engine

Need to run a second sync after cutover? The tool inspects Message-IDs and only processes freshly received emails, avoiding duplicate mail items.

Active ProtocolISO CERTIFIED

High-Speed

Socket Streaming Acceleration

Direct socket streaming technology transfers large email volumes concurrently across high-speed SSL channels without cloud intermediary delays.

Active ProtocolISO CERTIFIED

Business Continuity

Zero Server Downtime

Your mail users can continue sending and receiving emails uninterrupted throughout the entire process without any mailbox lockouts or downtime.

Active ProtocolISO CERTIFIED

Technical Knowledge Base • 6 Verified Solutions

How-It-Works FAQs

Direct, technical answers covering step-by-step procedures, trial capabilities, and security protocols for WindowsUtils IMAP Backup Software.

IMAP backup software is a dedicated Windows application that connects to your remote IMAP email servers and downloads all emails, attachments, headers, and folder structures directly to local computer storage (such as PST, MBOX, or PDF files). It protects against accidental deletion, server outages, hacking, and mailbox storage quota limits.

Tested on Windows 11 & 10FAQ #1

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Start Using IMAP Backup Software Today

Download the free trial edition and experience fast, offline processing on your Windows workstation.

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