Creating backups of your Office 365 data is crucial to protect against data loss, accidental deletions, or data corruption. Microsoft offers some data retention and backup features, but additional third-party Office 365 backup solutions can provide extra layers of data protection. Here are a few third-party Office 365 backup solutions that you can consider:

Veeam Backup for Microsoft 365: Veeam is a well-known name in data protection, and their solution offers comprehensive backup and recovery capabilities for Office 365 data. It allows you to back up Exchange Online, SharePoint Online, and OneDrive for Business data.

AvePoint Cloud Backup: AvePoint's Cloud Backup solution provides automated backups of Office 365 data, including Exchange Online, SharePoint, and OneDrive for Business. It offers granular restore options and advanced search capabilities.

CodeTwo Backup for Office 365: CodeTwo offers a user-friendly Office 365 backup solution that can back up mailboxes, public folders, SharePoint, and OneDrive for Business data. It provides flexible backup options and retention policies.

Barracuda Cloud-to-Cloud Backup: Barracuda offers a cloud-to-cloud backup solution for Office 365 that includes email, files, and SharePoint data. It focuses on data protection and recovery.

Druva inSync: Druva's inSync solution offers data protection for Office 365, including email, OneDrive, and SharePoint. It also provides compliance monitoring and eDiscovery capabilities.

Spanning Backup for Office 365: Spanning offers backup and recovery solutions for Office 365, including Exchange Online and OneDrive for Business. It provides automated daily backups and point-in-time restores.

When selecting an Office 365 backup solution, consider the following factors:

Data Retention: Ensure the solution offers suitable data retention policies for your organization's needs.

Security and Compliance: Confirm that the solution complies with data protection regulations and offers robust security features.

Ease of Use: Look for a solution with a user-friendly interface and easy setup.

Customer Support: Good customer support can be valuable if you encounter issues or have questions.

Pricing and Licensing: Understand the pricing structure, whether it's a one-time purchase or a subscription, and make sure it aligns with your budget.

Evaluate your specific data protection and backup needs before choosing a solution, as each product may have unique features and capabilities. Always back up your Office 365 data responsibly and in compliance with any legal and organizational policies.