Office 365 Backup Solution

Office 365 Backup Tool to Save O365 Data to Any Local Formats or Cloud Applications

  • Archive/Backup Exchange Online Mailboxes to PST, PDF, MSG, MBOX, EML & EMLX
  • Save Office 365 database backup to Office 365, IMAP, Gmail and Exchange Server
  • Create backup of entire Office 365 user account to desktop
  • Save backup of multiple Office 365 accounts at once using Admin account
  • Bulk conversion of Office 365 Accounts as well as Single backup options available
  • Offers Advance filters as like- date filters, item type filters, etc.
  • Perfect options for exporting Office 365 mailboxes, archive mailboxes, and public folders
  • Best solution to archive Outlook Web App emails, contacts, calendars on local system
  • Different File naming option available for Office 365 backup emails to EML, EMLX, MSG and PDF with customized file names.
  • Capable to perform Selective Folder Backup at a time without any efforts
  • Supportable for all Windows editions as like- 7, 8, 10, etc.
  • Supported Plans: Office 365 Enterprise, Office 365 Business Premium, Exchange Online, Office 365 Business Essentials and many more...

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Microsoft Duty is Not to Prevent Your Database from Loss! It's Totally Your Responsibility

Microsoft's basic work is to ensure Office 365 email database availability in situation of any infrastructure failure on cloud. This will not helpful to safeguard your database in conditions like planned deletion, mailbox files corruption due to virus, or surprizing data loss. Only you are one of the responsible person who can protect your Office 365 mailboxes from data loss problem by taking a backup on offline platform.

Why Office 365 Backup Crucial?

RansomWare Occurrences

Organizations require to think through a multi-layered approach when it comes to security against cyber-outbreaks. Office 365 cloud data is not safe without sufficient backup, companies stand to risk losing all of their files. So a backup plan is required. And, the backup decision is one of the perfect in terms of safety for data

Business Downtime

Contacting Microsoft Support and getting help from them for recovery of data loss after identifying the actual document version is a very long process. So to avoid these type of situautions, users needs to look for cloud data backup solution. This backup process can save your time and energy both as well.

Inactive License = Extra Costs

An active O365 license is must to read OWA data. And it is unfortunate that inactive user account’s data is deleted ever. Keeping licenses of departed employees retained can be costly and incur extra burden on companies. To reduce costs, they need to save their ex-employee’s or inactive user account’s data locally.

Permanent Deletion Data

Once a user deletes a mail or any other data, it will be kept in the Recycle Bin from where it is permanently deleted after 90 days. After it is deleted from the recycle bin, there is no rollback option to recover the deleted data. So, a solution is needed to keep a backup copy of these accidental or intended file deletions.

Safeguard your Emails, Contacts and Calendars

Download the offline copy of email message along with attachments from admin mailbox, user's primary mailbox, and shared mailboxes. Structure of email folders and hierarchy remains unchanged to make it simple for every users. Additionally, contacts and calendars are a major part for businesses. Accordingly, save a copy of your current contact list and calendar enteries to avoid data loss in disastrous condition and have a good control over your data in backup form.

Date Maintenance without any Time Limitation

Secure your entire cloud data without any limitation of retention period with the help of Office 365 Backup program. Easily save a backup copy of Office 365 Exchange Online emails, contacts, and calendars in your system for as long as you wish.

Backup Only Required Data

You can decrease the backup time by saving only the required data from MS Office 365 cloud account, instead of saving complete backup. The tool allows you to archive selective Office 365 mailbox to PST by choosing particular folders from O365 mailbox, thus providing you more control over what data you can save locally. In brief, it ensures that you save a lot of memory space!

What More One Can Convert with CubexSoft O365 Backup


Email Messages Software saves all Mail folders (default / custom folders) including all Meta-data properties accurately maintained.
Mail Attachment Tool downloads message attachments and saves them precisely. I.e. documents, images and files will be saved alogwith message in original format.
Category & Priority Category & Priority is kept retained by the tool after cloud backup process.
Mail Folder Entire folder hierarchy will be kept as original by the Office 365 backup program.
Date Filter Easily export Office 365 emails within a specified time range.
Data Retention Time Limit Infinite
Backup Office 365 data into PST, PDF, EML, EMLX, MSG, MBOX, O365, Gmail, IMAP, & Exchange Server


Calendar Scheduled or Recurring Business Appointments are saved locally along with all details, including Start & End Date, Subject, Category, Location etc.
Retention Limit Unlimited
Backup Calendar data as PST, Gmail, IMAP, Exchange, and O365


Contacts Complete contact's information including Name, Home Address, Work address, Location, Email address, Mobile number etc. are saved locally.
Retention Time Period Indefinite time period
Save Contacts in PST, Gmail, IMAP, Exchange, and O365

Multiple Saving Output Options Recommended by O365 Backup

Office 365 mailbox to pst

Backup Office 365 Mailbox to PST

Office 365 Backup Tool offers the amazing facility to move complete data from Office 365 to PST Outlook application. This program is well-capable to export Office 365 emails, contacts, calendars, etc. into PST file format without any problem. To backup Office 365 mailbox to PST format, the tool offers some advance benefits like- item types filters, date filter, split PST option, and many more.

o365 files to pdf

Export Office 365 Mail to PDF Format

CubexSoft O365 Backup software is also provide the best option to choose PDF as select saving output option from the given list of various options. By selecting PDF option, you can simply save Office 365 emails into PDF document format. If you select PDF, the software facilitates multiple services of choosing different file naming options advance PDF options like- saving PDF and convert attachments to PDF.

office 365 tenant to tenant

Export Office 365 Mailboxes to another O365

Easy to go to choose the best Office 365 email backup solution that will supports to save from one Office 365 webmail account to another Office 365 cloud account with all emails, contacts, calendars, and all the other items. This solution provides the amazing option to select source folder from which you need to export data and also asked to you that in which O365 folder you need to import your data.

outlook web app emails to msg

Save Data from Office 365 to MSG

Users can move their data from Office 365 cloud account to MSG file format without any trouble. While choosing the MSG as an output format, you can take the benefit of other advance options i.e. date filters, different file naming options, etc.

owa folder to eml/emlx

Open O365 Files into EML or EMLx

The performers is easy to access the complete program for exporting data from Office 365 webmail account to EML or EMLx email file format. You can select collect the various benefits like- date filters, multiple file naming conventions, etc.

backup o365 data to gmail emails

Save Office 365 Email to Gmail Account

Quickly go to choose the Gmail option from the list of saving output options and save your entire Office 365 data into Gmail email account directly. All you need to provide the correct login details of your Gmail and Office 365 cloud account.

save data into mbox

Transfer Office 365 Email Data to MBOX

With the use of Office 365 Backup software, anyone can directly save Office 365 email data to MBOX file format. After getting the MBOX files, users are free to access MBOX files on .mbox supported email clients as like- Mozilla Thunderbird, The Bat, Apple Mail, etc.

office 365 data to imap

Shift Data from Office Cloud to IMAP Server

If you are looking a best way for shifting data from Office 365 cloud account to IMAP Server, then Office 365 file backup utility is the only perfect solution. You can use the solution to transfer Office 365 email database to IMAP Server by providing login details of both the accounts.

o365 to exchange server

Upload O365 folders into Exchange Server

The Office 365 Backup Tool also provide the facility of exporting emails from Office 365 account to Exchange Server directly without any error. For this, you require some important details i.e. Exchange Server name, login id and password of Office 365 and Exchange Server account.

Features & Benefits Office 365 Backup

Know all the Attributes of the Program to Backup Office 365 Mailboxes to Different Formats

Backup Exchange Online Archive with Complete Data

The Tool provides complete backup of entire data including emails, contacts and calendars from selected Office 365 user accounts to PST file on local machine.

Backup Office 365 Archive Mailbox on Local Machine

The software provides perfect platform to create offline backup of Exchange online mailbox containing emails, contacts and calendars into PST/EML format, on local system.

Save Office 365 Backup to PST/EML and other formats

The software provides multiple options for saving backup of Office 365 accounts into multiple different formats. Important - For saving Office 365 database backup to PST, MS Outlook 2016, 2013, 2010, 2007 installation is necessary.

Move Single User Account Data from Office 365 to Hard Drive

The software lets users to extract single Office 365 user account by providing the credentials of that particular account and save entire items of the user account mailbox to selected output file.

Save Backup of Multiple Office 365 User Profiles in Batch

With this utility, users can also save data of multiple Office 365 user accounts at once using Application Impersonation Option. To do this they need to save all the usernames and passwords of all the user accounts in a CSV file and select this CSV file to provide credentials of multiple Office 365 user accounts at once. The output file will be generated as individual file for each account.

Save Office 365 Mail to PDF with Advance Options

The software also provides option of moving Office 365 mailbox to PDF format. When PDF option is selected, the tool enables users to get OWA mailbox data either as a single PDF document or as separate PDF file for each email message. The software also provides options to save attachments as “embedded within PDF file” or “in a separate folder”.

Date Filters to Archive Office 365 to PST

The software provides date filter option to help users create backup of Office 365 mailbox to PST between specified date ranges. Only the items appearing on or between the entered date ranges will be exported to offline PST file from Office 365 account.

Backup Office 365 Calendar and Contacts

Office 365 database backup Tool also provides the option to export and save calendars and contacts data from Outlook 365 user account. Just select the corresponding checkboxes to start taking backup of calendars and contacts from selected Office 365 user account profile.

Multiple Office 365 Platform Support

The software very well supports almost all the Plans of Office 365 Account. The software is being tested on Office 365 Enterprise E1, Office 365 Enterprise E3, Office 365 Enterprise E5, Exchange Online Plan 1, Exchange Online Plan 2, Office 365 Business Premium, Office 365 A1, Office 365 A3, Office 365 A5, Office 365 F1, Office 365 Business Essentials...

Save Office 365 Folders with Exact Data Integrity

While saving Office 365 database to selected output formats on local hard drive, the tool retains all the email properties and contact fields unaltered. Even the calendars have all the associated details kept saved in accurate manner. The folder structure in which the data was saved in Office 365, will also remain the same after backing up Office 365 user accounts' data in different formats.

Export Office 365 Mailboxes, Public Folder or Archive Folder

The Office 365 Backup Solution is now updated and provide a best option to export O365 mailboxes, archive mailboxes or public folders as well. During the process, performer can proceed to the Select Type Window and choose the folders which they want to export into other format.

Provide Advance Benefits of Date Filter and Item Type Filters

The software provide date filters by which users can select a date range for moving a selected files from O365 account to other format. And, the item type filters includes contacts, calendars, tasks, journals, etc. By using these item filters, you can export the selected items from O365.

Different Naming options to Backup Office 365 Webmail Data

The software provides different file naming options to help users convert Office 365 emails to EML, EMLX, MSG and PDF. Users can save, categorize and manage their emails using different naming attributes like subject, from, date on their computer system locally.

Windows Based App to Save Emails from Outlook Web App

Office 365 Backup Utility is a Windows based app and will run smoothly on all Windows editions ­ 10, 8.1, 8, 7 etc. The software provides consistent results on all Windows machine and save Office 365 user account backup to PST/PDF/EML/MBOX/MSG/EMLX with complete success.

Procedural Screenshots of Office 365 Backup Tool

The following screenshots will assist you to know how the software exactly works :

Office 365 Backup Free Download

Know all the specification to Download & Use the App with Ease

Software Name: CubexSoft Office 365 Backup
Free Download:

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Version: 1.0
Processor: Minimum 2.4 GHz Processor
RAM: Minimum 512 MB
Minimum Hard Drive Space: 45.8 MB
Operating System: Windows OS: Windows 10, 8.1, 8, 7, Vista, XP, Windows Server 2019, 2016, 2012, 2008, 2003, etc.
Demo Version: Free Demo saves backup of first 20 emails and other items from Office 365 account to PST/EML and other supported formats. Once getting satisfied with the results of FREE download utility, you can buy the licensed version of the software.
Installation & Un-installation for Windows: Guide Install/Uninstall EULA

Frequently Asked Questions

Commonly Asked User's Questions and Answers regarding O365 Backup Tool

Yes, you can save Office 365 backup of multiple user accounts at once by saving and uploading their login credentials in a CSV file. The tool will create individual PST for each Office 365 user account.

  • Run O365 Backup Tool on Windows PC
  • Open and choose Office 365 Backup option
  • Hit Next and Use add option to insert user mailbox
  • Enter login details of O365 and click single mailbox option
  • Then, hit Add which added mailbox on another screen. Click Next
  • In Select Type Window, choose folder from which you need to export data
  • Click Next again, from left you need to choose the folders for backup
  • And, choose saving output option in the right section and avail advance options
  • Insert location for output data and click Next that starts the backup process.

Yes, it can simply move list of multiple mailboxes from O365 to any other account or local file formats without any problem. To export multiple user mailboxes from Office 365, you can follow the steps that are described below:

  • Open the program and choose O365 Backup option, hit Next
  • In this, click “Add” and fill login credentials of O365 account
  • Select “List of multiple user mailboxes” option and click Get User Mailboxes
  • Choose mailboxes for backup and click Add. Then, collect all mailboxes and hit Next
  • Choose folders for every mailboxes from which you need to export data and hit Next
  • From left, select the folders and also select saving output format on right
  • Take the benefit of advance options enables as per the selection of output format
  • Set the location where you want your output files and click on the Next
  • This will starts the multiple O365 mailboxes backup process and completed within limited time.

Application Impersonation Option is provided for Admins only. Using this option, Admins (by entering admin credentials) can save backup of multiple Office 365 users' mailbox data to PST at once. The login details of the listed user accounts, for which backup is needed, are saved in a CSV file and this CSV file is added to the software to create their backup at once. Every user account will have separate output file generated for them.

Follow these steps to export the login credentials of all your Office 365 user mailboxes in a CSV file :

  • Login to your Office 365 admin account
  • Go to Admin >> Click on Active users.
  • The list of all the active users will appear. Select the tenants individually by ticking their corresponding checkboxes or select all of them by ticking the Select All option.
  • Click on Export link to export the data in CSV file. The file will be downloaded and saved at the location where all your internet downloaded files are saved. By default it is at Downloads folder, appearing under C:\ drive. (Complete path : C:\users\USER_NAME\Downloads).

To use Application Impersonation option, you must have access to Office 365 Admin Account. This option supports batch migration of O365 user mailboxes to different formats on local system, in single processing. To use this option, follow the below steps:

  • First export and save all your user account’s login details in CSV file from your O365 admin account. Know how to export CSV file from O365 cloud account.
  • Download and install the software on your system
  • Enter your Office365 Admin account details, check the option “Application Impersonation” and press login button
  • Choose Office 365 Backup option to archive multiple user accounts database to your system.
  • A copy of Sample CSV file will automatically get created on your Desktop. If in case it is not created, then you can get one by clicking on Sample CSV link. Please Note that this is the sample file and is for your reference only. You have to create the one according to its format by copying the desired fields from the CSV file that you exported from your admin account. (Note : you only have to select the data appearing under the column named UserPrincipalName. This column contains the user IDs of the all the tenants in the O365 admin account).
  • Now click on browse button to add the just created CSV file. Once the CSV file is loaded, the software will display the list of all the mailboxes. Select all of them by clicking on Select All option, or you can select the desired ones by clicking on their corresponding checkboxes. Finally, Click on Next Button.
  • A new window will appear displaying a list of export options. Choose the one according to your requirements and click on Next.
  • Now the software will start the backup process.

Sometimes users need to take backup of Office 365 data between specific time periods, say for a month only. Using date range option, they can easily save their data between their specified date range.

These filters will help out to transfer selected files from Office 365 account to desired format without any problem

Using FREE demo edition of Exchange online mailbox utility, you can easily evaluate its performance without paying any charges. Free demo will allow backup of first 25 emails, contacts, calendars data to specified format for offline access on local hard drive.

No, don't worry, the software does not save any information or email of O365. It only needs O365 details to transfer data into another format.

Not to worry, there is no any limitation for saving emails or mailboxes. That means you can backup unlimited emails and mailboxes of O365 with this program.

In the O365 to PST backup process, you will get PST split option that help out to split your large size of PST files as per the requirement. So, you can use this option if you want to split large size of output PST files.

Nope, the software is highly capable for every file size backup of Office 365. So, just grab this amazing solution to backup O365 cloud account.

The backup process time is completely depends upon the number of files and size of files that you need to save into another.

Sure, the Office 365 Backup Tool provide the option of saving O365 public folders to suitable output format without any issue.

By using different file naming option, you can manage your output database in a perfect and systematic manner.

During the process, the software ask you to add the destination path where you can get your output data. And, to backup O365 to another account, you will get your output files into the selected account.

For O365 mailbox backup process, some of the details required which is given below:

  1. Exchange Server Name
  2. Mailbox Login ID
  3. Password

Yes, no need to worry the solution designed by professionals in a simpler interface that can be easy to accessible by all technical and non-technical users.

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