Office 365 Backup Tool for Mailbox Export and Archiving

Securely back up your complete Office 365 mailboxes to PST, MBOX, EML, and MSG formats. Keep a safe offline copy of all your emails, contacts, calendars, and tasks. Supports tenant retention plans with mailbox-level exports that are easy to verify, archive, and restore later.


Features of the Office 365 backup tool

The Office 365 email backup tool quickly connects to your Office 365 account and loads all the data in the software window. You can then backup Office 365 mailbox to PST, EML, EMLX, MBOX, and MSG file formats.


Backup Office 365 to PST

If you want to backup Office 365 emails to PST format, this Office 365 backup tool is the best choice. With the help of this software, you can export Office 365 to PST format.

Export Office 365 to MBOX

With the help of the Office 365 email backup tool, you can quickly export emails from Office 365 to MBOX format. Then you can open the exported PST with Thunderbird, Apple Mail, Eudora, Entourage, and more.

Office 365 export to EML

If you want to export Office 365 emails to EML format, this Office 365 Export tool is perfect for you. Using this software, you can backup Office 365 emails to EML format.

Export Office 365 to EMLX

SysCurve Office 365 backup software allows you to quickly export emails from Office 365 to the EMLX file format. This tool keeps your data original during the export process.

Backup Office 365 to MSG

You can also use this Office 365 backup solution to backup Office 365 emails to MSG format. After the export process, you can use MS Outlook to access the output MSG files effortlessly.

Export Selected Folder

If you want to export selected Office 365 folders to PST or other file formats, try the SysCurve Office 365 to PST Export tool. With the help of this software, you can backup selected Office 365 folders to Outlook PST, MBOX, MSG, EML, and EMLX file formats.

Preserve Mail Properties

SysCurve Office 365 email backup software uses data protection algorithms. With the help of these algorithms, the tool preserves all email properties like To, Subject, From, Date, Cc, and Bcc during the backup process.

Maintain Folder Hierarchy

At the time of the export process, the Office 365 backup tool maintains the original hierarchical folder structure. No information is lost, and you always get accurate results.

More capabilities

Extra options that keep exports accurate and predictable.

Selective folder exportChoose only the folders you need for focused backups.
Mail properties preservedKeeps headers, dates, and attachments intact for accuracy.
Large mailbox handlingBuilt for multi-GB Office 365 mailboxes without slowdowns.
Free trialExport the first 10 items per folder in the demo.

Key benefits at a glance

Three reasons teams choose this Office 365 backup tool.

Offline mailbox safety

Create a local archive to protect mailboxes from deletion, outages, or retention gaps. Your data stays accessible anytime.

Multi-format export flexibility

Save to PST for Outlook, MBOX for Thunderbird, or EML/MSG for message-level access. Easy to match any destination.

Focused, organized output

Select specific folders and keep the original hierarchy and properties intact. The output remains clean and easy to navigate.


Other Helpful Features of Office 365 Backup tool

01

Multiple Export Option

Using this tool, you can export Office 365 to PST, EML, MSG, MBOX, and EMLX formats.

02

Export Selected Folders

With the help of this tool, you can backup selected Office 365 folders on your local machine.

03

Support Outlook

The Office 365 Backup software support all version of MS Outlook, including Outlook 2019.

04

Support Windows

The software is compatible with Windows OS. You can run this tool on Windows 10, 8.1, 8, 7, etc.

Who Benefits Most from Office 365 Backup Tool

Built for admins and users who need reliable offline backups of cloud mailboxes.

Ideal for

  • IT admins managing mailbox backups
  • Compliance teams with retention needs
  • Organizations preparing migrations
  • Users exporting personal email data

Common use cases

  • Create local PST or EML backups
  • Archive mailboxes for long-term storage
  • Export selective folders for audits
  • Restore data during migrations

How Office 365 Backup tool works

The SysCurve Office 365 email backup tool requires Office 365 account credentials. The software then establishes a connection with the server and loads Office 365 data into the software window. You can then backup Office 365 mailbox to PST, EML, EMLX, MBOX, and MSG file formats.


Download

Step 1

Open the software and enter your Office 365 email and password. Click on the Connect button to establish a connection.

Step 2

Once the connection is established, select the folder you want to backup.

Step 3

Select PST or other file formats as Export options.

Step 4

Click on the Browse button, provide a location to save the file, and click on the OK button.

Step 5

Finally, click on the Process Now button.

Product Related Articles

Helpful Office 365 guides for backup and migration.

How to backup Office 365 to PST

Export Microsoft 365 mailboxes to PST safely.

How to import PST to Office 365

Move PST data into Microsoft 365 mailboxes.

Increase email size limit in Office 365

Adjust limits for large attachments and exports.


Frequently Asked Questions

Can I backup from multiple Office 365 accounts at once?

No. With the help of Office 365 backup software, you can backup one Office 365 mailbox at a time.

Does this software require Outlook to backup emails from Office 365?

No. The software does not require MS Outlook to export emails from Office 365 to PST.

Does this tool backup attachments with email?

Yes. You can use Office 365 backup software to export Office 365 emails with attachments.

Does this tool require an internet connection to backup Office 365 emails?

Yes. The software requires a proper internet connection to backup Office 365 mailbox.

How long does the software take to backup Office 365 mailbox to PST?

The time depends on the speed of the internet and the amount of data.

What are the limitations of the free demo version of the Office 365 backup tool?

The trial version of this tool allows you to export the first 10 items per folder. If you want to backup all your Office 365 emails, you can buy the full version of this tool.


What our customers say

  • “We exported multiple Office 365 mailboxes to PST and the folder layout stayed intact. The output opened cleanly in Outlook.”
    TGThomas Gray, London, UKIT Administrator
  • “Selective folder export helped us meet an audit request without pulling everything. The backup completed without errors.”
    AHAndrew Hoover, California, USACompliance Coordinator
  • “We used MBOX output for a quick move into Thunderbird. The workflow was straightforward and predictable.”
    ATAva T., Toronto, CanadaOperations Manager

Software requirements

Windows supported

Windows 11, 10, 8.1, 8, and 7 (x64/x86).

Internet connection

Required to connect and download Office 365 data.

.NET Framework

.NET Framework 4.7.2 or later.

Storage space

Minimum 250 MB free space, plus room for export files.

RAM

Minimum 4 GB (8 GB recommended for large mailboxes).

Processor

Intel i3 2.40GHz or equivalent (x86/x64).


Place the Order of Office 365 Backup Tool

$99

Personal License

  • Applicable for 2 systems
  • Process unlimited Office 365 emails
  • 1 year free technical support
  • 1 year free software updates
  • Lifetime license validity
  • Backup Office 365 to PST
  • Backup Office 365 to MBOX
  • Backup Office 365 to EML, MSG.
  • Backup Selected Folders
  • Backup Primary Mailbox
  • Backup In-place Archive Mailbox
  • No file size limitations
  • 30 days money-back guarantee
  • Support MS Outlook
  • Support Windows 10 & later

 

$399

Business License

  • Applicable for 50 systems
  • Process unlimited Office 365 emails
  • 2 year free technical support
  • 2 year free software updates
  • Lifetime license validity
  • Backup Office 365 to PST
  • Backup Office 365 to MBOX
  • Backup Office 365 to EML, MSG.
  • Backup Selected Folders
  • Backup Primary Mailbox
  • Backup In-place Archive Mailbox
  • No file size limitations
  • Bulk Export
  • Impersonate Export
  • 30 days money-back guarantee
  • Support MS Outlook
  • Support Windows 10 & later

$599

Enterprise License

  • 100 systems (Same location)
  • Process unlimited Office 365 emails
  • Lifetime free technical support
  • Lifetime free software updates
  • Lifetime license validity
  • Backup Office 365 to PST
  • Backup Office 365 to MBOX
  • Backup Office 365 to EML, MSG.
  • Backup Selected Folders
  • Backup Primary Mailbox
  • Backup In-place Archive Mailbox
  • No file size limitations
  • Bulk Export
  • Impersonate Export
  • 30 days money-back guarantee
  • Support MS Outlook
  • Support Windows 10 & later