About SaaS Backup storage consumption, fair use, and overages
See these topics to learn how storage consumption is calculated and how overages are handled for Datto SaaS Protection:

You can check your storage usage in the Datto SaaS Protection UI by viewing the Storage chart on the SaaS Protection Status page. (Refer to Exploring the SaaS Protection Status page.) The Storage chart only displays if you have consumed at least 70% of your available storage. (See How is backup storage consumption calculated?)
NOTES Storage data in SaaS Backup does not match what is reported in the Microsoft 365 and Google Workspace UIs due to the following:
● It is not possible to identify which user or shared drive may be individually contributing to a large data set due to how Microsoft and Google provide shared drive and shared mailbox data to Datto SaaS Protection.
● Datto SaaS Protection retains multiple versions of all historical data and includes this data in its storage usage. Storage usage in Microsoft 365 and Google Workspace reflects the user's current data only.

Backup storage consumption is determined by this simple calculation:
Total stored size divided by total number of purchased licenses, where:
- 1 TB = 1024 GB
- total stored size is how much storage is consumed by your data on the Datto SaaS Protection side, after compression and deduplication
- total number of purchased licenses includes all pooled SaaS Backup licenses across all of your Google Workspace domains or Microsoft 365 tenants
Example:
A customer is currently storing 10 TB of combined data in SaaS Protection for all of their Google Workspace domains or Microsoft 365 tenants and:
- the total number of purchased licenses is 200
- the total stored size is 10 TB * 1024 = 10,240 GB
- the storage used per license is 10,240 GB / 200 licenses = 51.2 GB / license
If this per-license usage is larger than the fair use limit in the Datto SaaS Protection terms of use policy, then the customer may incur the overage terms described in that policy.
For details about SaaS Backup terms of use, see How can I view my SaaS Backup terms of use policy?

SaaS Backup products have fair use limits that define how much storage you can consume before reaching an overage threshold and describe the overage policy that may be applied upon exceeding this threshold.
For Datto SaaS Protection, fair use limits are described in the product's terms of use. To view these terms:
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Go to the Kaseya Master Agreement, scroll down to section 2.b and click the Datto SaaS Protection link.
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In the Datto SaaS Protection terms of use, view the fair use limits for Limitations on Storage.

If you're using too much storage, you can do any of the following to decrease your per-license storage usage:
- Buy additional storage
- Buy additional seats
- Reduce retention
- Unprotect seats
- Delete some customers completely