Content Overview:

Why Backup Outlook to the Cloud?

Microsoft Outlook is a famous email client and personal information management software developed by Microsoft Corporation. Outlook is widely used by individuals, businesses, and organizations of all sizes to streamline their email correspondence, calendars, tasks, contacts, and more. Besides, you can use Outlook on multiple devices, like Windows, macOS, iOS, Android, and web browsers. Thus, Outlook keeps many important files, including emails, attachments, and more.

Outlook Cloud Backup
Outlook Cloud Backup

To make them safe, you have to backup Outlook emails online to prevent your files from being lost due to hardware failures, accidental deletion, cyber threats, or corruption. How to perform Outlook cloud backup? Here you will find the best cloud storage and 4 easy ways to archive Outlook emails.

Which Cloud Should I Choose?

To make the right decision, we will show you the mainstream cloud services, like Google Drive, OneDrive, and Dropbox on free cloud storage space, backup frequency, storage options, retention policies, and security aspects.

Features Google Drive Dropbox OneDrive
Free storage space 15 GB 2 GB 5 GB
Backup Frequency As soon as the changes are made As soon as the changes are made Automatic daily, weekly, or monthly backups of Outlook data.
Storage Options

$1.99/month 100GB; $2.99/month 200GB; $9.99/month 2TB

$9.99/month 2TB; $16.58/month 3TB; $15/month 5TB; $24/month 15TB; As much as storage Contact sale

$1.99/month 100GB; $6.99/month 1TB; $9.99/month Up to 6TB

Retention Policies Up to 30 days or 100 versions for all plans. Up to 30 days for the free plan, or up to 180 days for paid plans. Up to 30 days for the free plan, or up to 93 days for the paid plan.
Security 128-bit AES encryption, 2FA, and robust access controls. 256-bit AES encryption, 2FA, flexible sharing management. 128-bit AES encryption, 2FA, and the ability to restrict sharing and access.

This chart only reflects something not all aspects, just for reference, because they are integrated with other services. According to the above chart, you may have an idea about which cloud you should choose, just decide according to your demands. Click Dropbox vs. Google Drive vs. OneDrive for more information.

No matter which cloud storage you choose, you can find the 4 ways to perform Outlook cloud backup easily with the following parts.

4 Ways to Perform Outlook Cloud Backup

Outlook cloud backup can be easily performed in the following 4 ways, just follow us to backup Outlook emails to OneDrive, Dropbox, or Google Drive. Or you can back up Outlook emails to the cloud that you’re currently using.

Way 1. Backup Outlook Emails to OneDrive

OneDrive is one of the most famous cloud storage services so you might use it probably. To sync Outlook with OneDrive, you can take advantage of both the Outlook app and the OneDrive app. So here are the steps to backup Outlook emails to OneDrive:

1. Please download the Outlook app and OneDrive desktop app both on your computer, then log in to them.

2. Open your Outlook app and the OneDrive folder. Open the Inbox folder in Outlook, and choose multiple emails.

3. Then drag them and drop them into the OneDrive folder to backup Outlook emails to OneDrive manually.

Drag And Drop Outlook Emails to OneDrive
Drag And Drop Outlook Emails to OneDrive


  • While saving emails to OneDrive offers numerous benefits, it's important to be aware of certain restrictions. Specifically, emails can be saved to OneDrive as long as they do not exceed 25 MB in size. Furthermore, the system allows a maximum of 15 emails to be saved simultaneously. Lastly, it's worth noting that emails with attachments larger than 10 MB cannot be saved to OneDrive.
  • If you have a large number of Outlook emails to back up to OneDrive, it’s not recommended due to the inconvenience, because you have to manually do this process.
  • You will generate Outlook item files that you can only open in the Outlook app.
  • Besides, you can export Outlook emails locally, and then upload Outlook emails to OneDrive manually on the website.

Way 2. Backup Outlook Emails to Google Drive

Google Drive is another option for Outlook cloud backup because it attracts millions of people due to its comprehensive features, Google ecosystem tools, and 15GB of free cloud space. Thus, here comes the problem how to backup Outlook emails to Google Drive easily? Just follow the below steps to perform Outlook online backup to Google Drive:

Important: Please ensure you have installed Drive for desktop on your computer first, then do the following steps.

1. Please open the Outlook app, choose Outlook emails, click File > Open & Export, then choose Import/Export.

2. Choose Export to a file, and hit Next.

Export to A File Outlook
Export to A File Outlook

3. Choose Outlook Data File (.pst) and click Next.

Choose Outlook Data File
Choose Outlook Data File

4. Select your Outlook folder to backup, like Inbox, or other folder you’d prefer, and click Next.

Select Outlook Folder to Export
Select Outlook Folder to Export

5. Click Browse to choose the Google Drive folder as the destination, input a password to protect, and click Finish to backup Outlook emails to Google Drive.

Select Google Drive Folder As The Destination
Select Google Drive Folder As The Destination


  • If you did not install Drive for desktop on your computer, you can export Outlook emails first, then upload them to Google Drive manually.
  • This way will generate PST files, and the file can be very large and might impact your computer performance if you have not cleaned up Outlook emails ever, so make a good habit to clean it up.
  • Please ensure your Google Drive can hold on to all the Outlook emails, or you might over the Google Drive storage limit.

Way 3. Backup Outlook Emails to Dropbox

If you’re using Dropbox as your main cloud storage space and trying to backup Outlook emails to Dropbox, you might have a similar process to export Outlook emails as PST files, and then upload them to Dropbox.

1. Export Outlook emails as the above steps of backing up Outlook emails to Google Drive, then choose your local folder as the target location to export.

2. Repeat the process to export all Outlook emails that you want to back up.

3. Then head to your Dropbox website, then click Upload > Files or Folder to upload PST files to Dropbox.

Upload Outlook Emails to Dropbox
Upload Outlook Emails to Dropbox

Tip: This way is also time-consuming, and all the processes have to be done manually.

Is there any easy way to backup Outlook emails to the cloud? What if I use other cloud storage services and how to perform Outlook cloud backup?

Way 4. A Comprehensive Way to Perform Outlook Cloud Backup

Fortunately, you have the powerful web-based cloud file manager - MultCloud, which supports 30+ clouds, including Google Drive, Dropbox, OneDrive, MEGA, iCloud Drive, Outlook, Gmail, iCloud Photos, and many more, almost all cloud drives in the market. Most importantly, MultCloud allows you to backup Outlook emails all at once to the cloud that you’re currently using without downloading them and installing a desktop app, it’s very easy and effective.

Here are the simple steps to do Outlook cloud backup with MultCloud (Backup Outlook 365 to OneDrive for example):

1. Please create a MultCloud account for free, and log in to your account.

2. Tap Add Email > Outlook, then follow the guide to grant access to MultCloud. Click Add Cloud > OneDrive to add as well.

Add Outlook
Add Outlook

3. Click Email Migration from the left side, then choose all Outlook emails as the source, and OneDrive as the target.

Migrate Outlook Emails to OneDrive
Migrate Outlook Emails to OneDrive


  • Tick Outlook will select all emails from Outlook, including archived emails, deleted items, drafts, Inbox, Junk Emails, and more. If you only want to backup Inbox emails, expand Outlook and check Inbox only.
  • To save Outlook emails with attachments, click Options > Save Attachments to enable. Besides, you can enable email notification in Options.
  • If you'd like to perform Outlook automatic backup daily, weekly, monthly, or at the specified time, click Schedule to enable.
  • Typically, there are only some important Outlook emails to backup, Click Email Filter to use From, To, Date, Has attachment, Is unread filters to choose the emails to back up, very friendly to use.
  • You have up to 50 email-to-PDF conversions for free, if you want unlimited conversions, please unlock to enjoy, as well as all advanced features, including Schedule, and Email Filter.

4. Hit Migrate Now to backup Outlook to OneDrive directly.

After the Outlook backup online has finished, you can manage all Outlook emails in PDF file format from OneDrive. Besides, if your OneDrive storage gets full, you can free up OneDrive space, migrate OneDrive to other clouds, or just upgrade to OneDrive's advanced plan to enjoy more storage space.

FAQs about Outlook Cloud Backup

The Epilogue

Compared with these 4 ways to perform Outlook cloud backup, MultCloud could be your best Outlook backup software, why? Because it not only supports 30+ clouds but also migrates Outlook emails to the cloud directly without downloading. So, why not give it a try?

You May Also Like

If you prefer to backup all Outlook emails without PST, check the 4 easiest ways in the post to backup emails as PDF, CSV, or MSG files. The 4 methods not only include saving emails to a hard drive but also to a cloud drive. Let’s read further.

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