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Barracuda Cloud-to-Cloud Backup

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For more information, see the latest Cloud-to-Cloud Backup Version 3.


Use retention policies to define the length of time you retain historic data based on daily, weekly, monthly, or yearly time intervals. Create retention policies for different sets of data.

Data backed up using Barracuda Cloud-to-Cloud Backup retention treats Sunday as the end of the week in accordance with the ISO data standard. Revision data is retained based on the date the file is removed. For example, if a file was backed up on January 1 and the retention policy is configured to hold onto data for 7 daily revisions, if the file is modified or removed at any point, the revision is held onto for 7 additional days after this action.

To retain weekly, monthly, and yearly revisions, Barracuda Cloud-to-Cloud Backup ages forward files that are not created specifically at the end of the week, month, or year to be recoverable as part of these revisions.

You can create one policy for all data sources or create multiple policies for different sets of data. Use the Backup > Retention Policies page to define content retention rules:

  • Policy name – Enter a name to identify the policy.
  • Items to retain – Displays all data sources. Select all of the items you want to include in the retention policy, or click Apply to all to apply the retention policy to all Barracuda Cloud-to-Cloud Backup data sources.

  • Retention timeline – Define how historic data is retained.

    • Timeline templates – Select from the pre-defined templates which you can modify, or create your own custom timeline. The Revisions timeline and Retention Calendar display the timeline based on the selected template.
    • Revisions timeline – Define how long to keep daily, weekly, monthly, and yearly backups.

      • Keep all revisions for – Specify the number of day(s) to keep all content revisions, or select never or forever.

        This feature allows you to keep revisions when you have multiple backups per day.

      • Keep daily revisions for – Specify how long to keep daily revisions. Specify a number of day(s), never, or forever.
      • Keep weekly revisions for – Specify how long to keep weekly revisions. Specify a number of week(s), never, or forever.
      • Keep monthly revisions for – Specify how long to keep monthly revisions. Specify a number of month(s), never, or forever.
      • Keep yearly revisions for – Specify how long to keep yearly revisions. Specify a number of years(s) , never , or forever .
  • Retention Calendar – Display the timeline based on the values in the Revisions timeline. Click Show previous years to view prior year retention timelines.

Exchange Online Data Backup

Exchange Online Hybrid Deployment

Barracuda Cloud-to-Cloud Backup offers limited support for Exchange Online hybrid deployments.

Mailboxes that exist in Exchange Online are protected by Barracuda Cloud-to-Cloud Backup. Mailboxes that exist only in the on-premises environment appear as empty mailbox records in the Cloud-to-Cloud Backup system.

For Exchange Online, Barracuda Cloud-to-Cloud Backup protects all email messages, attachments, and the complete folder structure of each users’ mailbox. You can restore messages, folders, or entire mailboxes back to the original account or export via the download feature .

Exchange Online Mailbox Barracuda Cloud-to-Cloud Backup
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OneDrive for Business Data Backup

When backing up OneDrive for Business using Barracuda Cloud-to-Cloud Backup, all files under the Documents Library, including the entire folder structure, are protected. Just like with Exchange Online, files, folders, or entire accounts can be restored back to the original account, a different account, or exported via the download feature.

OneDrive for Business Mailbox Barracuda Cloud-to-Cloud Backup
onedriveBCCB.png onedrivebbs.png

SharePoint Online Data Backup

Barracuda Cloud-to-Cloud Backup for Office 365 eliminates the risk of lost content due to accidental or malicious deletion. You can also retain email messages and files indefinitely if users were to leave your organization—all without having to purchase additional licenses.

Barracuda Cloud-to-Cloud Backup provides SharePoint Online protection. With item-level recovery options, items can be restored directly into SharePoint Online from backup.

Table 1 lists the SharePoint Online items protected by the Barracuda Cloud-to-Cloud Backup service. Items not listed in this table are not currently supported.

Table 1. Modern Team Site, Communication Site, Team Site, Publishing Site, Wiki Site Items Protected by the Barracuda Cloud-to-Cloud Backup Service.
  • Document Libraries
  • Folders
  • Documents
  • Files
  • Site Page Libraries
  • Wiki pages
  • Site pages
  • Picture Libraries
  • Folders
  • Pictures

Groups Data Backup

Office 365 Groups is a membership service that ties a list of users together to collaborate on a list of applications, such as Microsoft Exchange, SharePoint, and Teams. Teams is a collaborative communications infrastructure that combines workplace chat, calling, video meetings, and file sharing. 

With Barracuda Cloud-to-Cloud Backup, you can back up all your mail, calendar, and site data, along with file data shared within Teams that includes the Group membership associated with Teams. All of the information is grouped under a unified experience to simplify recovering Teams data back to a specific timestamp.  

When you create a Team, the following items are created in Office 365:

Consider the list of items customers use that are associated with Teams. This list can include the following:

  • Exchange Group mailboxes
  • Exchange Group Calendar
  • SharePoint Group Site
  • Documents and Files shared in Teams
  • Group membership 



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