Posteo Email Backup & Migration Software

Save Posteo Emails in Outlook PST

Easily take a full or selective backup of Posteo mailbox folders into PST files. Export email data from individual folders or entire mailboxes and combine everything into a single Unicode PST compatible with all MS Outlook versions. Also includes an option to split large PST files into smaller files for better management.

Store Posteo Emails as Separate Files

Download emails from Posteo mail folders and save each email separately on your device. Each email save as indvidual file and with complete details such as attachments, message content, sender/receiver email address, and other metadata. Supported formats for individual email saving - EML, EMLX, MSG, HTML, MHTML, and PDF.

Export Posteo Mail to MBOX Format

Transfer your Posteo emails to MBOX format using two flexible methods:

• Single MBOX: - Combine multiple email folders and store all their emails in one unified MBOX file.
• Separate MBOX: - Create a dedicated MBOX file for each selected folder.

Transfer Posteo Email to Thunderbird

Simplify the job of email migration from Posteo emails into a Thunderbird profile. The software automatically detects the installed Thunderbird client and profile's stoage path, then directly transfers your chosen folders Posteo account's mail folders in Thunderbird local folders.

Folder-Specific Email Export/ Backup

Simply select the folders you need from your Posteo account to export targeted emails. Whether it's one folder, a few, or an entire mailbox, the software lets you refine your selection for faster and more efficient processing.

Keep Email Structure & Formatting

Maintain the original format and structure of each Posteo email during backup and migration. Every element is preserved with full information - From, To, CC, BCC, Subject, Date, Body Content, Attachments, Links, Styles, Inline Images, etc.

Export Emails Using Date Filter

Allows to export only sent or received emails with specific dates using the built-in date-wise email filter. Just set the start and end dates, and the tool will extract only those relevant emails and eliminate unnecessary emails from the export.

Apply Smart File Naming Rules

Assign custom names to output files using 9+ naming conventions based on a combination of date, subject and sender. These options appear when saving emails in formats such as EML, EMLX, MSG, HTML, PDF or MHTML, helping you keep files well organized.

Add Folder in Target Email Platforms

During migration to IMAP accounts or cloud services, the software allows users to create a custom folder within the destination mailbox. The software saves all the selected email folders along with sub-folders and emails in this folder.

Choose Backup File Storage Path

You have full control over where your backup files will be saved. Choose any location on your system or external storage to store the resulting exported files. Save your email files to any path on your drive that best suits your need for easy access.

Operable by Both Beginners & Experts

Equipped with an intuitive and clean interface, this software is designed for the ease of use of both technical and non-technical users. All actions, whether backup or migration, both can be completed with just a few clicks wth need for advanced skills.

Run on Any Windows PC - Old or New

Posteo Email Backup & Migration Software is fully compatible with all Windows O/S versions. Use it easily on Windows 11, 10, 8.1, 8, 7, Vista, XP, and even older versions without any compatibility issues.

Free Posteo Email Backup & Migration

Experience all the features with the free demo version. Backup or migrate up to 25 emails per folder from your Posteo account, absolutely free. Once you're satisfied, upgrade to the full version for unlimited access.