Being able to export Office 365 mailboxes to PSTs is a common requirement in the modern IT environment. Whether it’s creating an offline backup of mailboxes or copying them onto a transferable drive – there are any number of reasons why you may need to perform this export. The reverse it also true – you may find yourself in a situation where you need to import PSTs into Office 365. In either case, this article will enable you to perform the process manually and show you an alternative that may make the whole thing simpler.
Exporting Office 365 mailboxes to PSTs using native means
- Login to Office 365 and go to ‘Admin’.
- Select ‘Exchange’ option in the left corner of the ‘Office 365 admin center’.
- Click on ‘permissions’ and select ‘Discovery management’ under ‘admin roles’.
- Next you will have to add your account to the Members list in the
Discovery Management role group properties window using the ‘+’ button.
Ensure that you assign the following roles to yourself: Mailbox Import
Export (for exporting mailboxes) and Mailbox Search (for searching in
- Go to ‘compliance management’ in ‘Exchange admin center’ and click
the ‘+’ symbol to start ‘in-place eDiscovery & hold’ wizard.
- Select the ‘Don’t search any mailboxes’ option and click ‘Next’.
Else, if you want to search in the mailboxes and export only the search
result, select that option.
- In the next step, you will get several filtering options. Apply the required filters to search for the required messages.
- To export the search results to a PST, click the ‘down arrow’
button. In the new dialog box specify the location to save the PST file
and start the export.
Uploading PST files to Office 365 using native tools
- Login in to Office 365 using the administrator credentials.
- Go to the Import page and select ‘Go to the Import service’.
- ‘Import files to Office 365’ page will open up, click ‘New job Add
Icon’, and then click ‘Upload files over the network’ to open that page.
Here you will get the option to download ‘Azure AzCopy’ tool. A new
window will open up, click Run to install the Azure AzCopy tool in the
- Once the tool has been installed, the next step is to copy and save
Shared Access Signature (SAS) and the network upload URL to a file. For
that you will have to go to the ‘Upload files over the network’ page and
use ‘Copy network upload SAS key’ under ‘Copy secure network upload SAS
key’ and ‘Show URL for PST files’ under ‘Copy the secure network upload
URL’ to copy and save key and URL to a file.
- Next, use AzCopy.exe tool to upload PST files to Office 365. For
that, open the Command Prompt on your local computer. Go to the
directory where you installed the AzCopy.exe tool in Step 3.
- Run the following command to upload the PST files to Office 365:
AzCopy.exe /Source:<Location of PST
files> /Dest:<Network upload URL + PST file path>
/DestSAS:<SAS key> /V:<Log file location>