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Microsoft 365 Archive charges you for storage.
Storage consumption is charged at a per-GB monthly rate. This meter is charged only when archived storage plus active storage in SharePoint exceeds the included or licensed allocated SharePoint storage capacity limit of the tenant. In other words, there's no additional storage cost for archived sites if the tenant hasn't consumed its already licensed storage quota. For more information about storage capacity limits, see SharePoint limits.
Note
The reactivation fee for archived sites or content in SharePoint was eliminated on March 31, 2025. After that date, reactivating archived sites became free of charge, but re-archiving any newly reactivated content is restricted for a four-month period. This change doesn't apply to OneDrive accounts. For more information, see the Microsoft 365 Archive blog.
Monthly archive usage is calculated as the sum of the usage of all currently archived sites. Each site’s usage is equal to the site storage usage of that site, which can be seen on the site itself or from the Active sites page in the SharePoint admin center. The size of an archived site, and therefore the storage for which it’s billed, changes only if the content in the site changes. For example, content naturally expiring in the recycle bin or a retention policy deleting content within the site directly from archive to the recycle bin.
To see the pricing for Microsoft 365 Archive, see Pay-as-you-go services and pricing for Microsoft Syntex.
Pricing calculator
The Microsoft 365 Archive pricing calculator is a tool that helps you estimate the costs that you incur to archive your Microsoft 365 data.
Note
The tool isn't intended to provide an exact prediction of your archive costs, but rather to give you an estimate based estimated usage data provided by you.
Pricing calculator overview
The Microsoft 365 Archive pricing calculator, when calculating the potential costs and savings for using Microsoft 365 Archive, takes into consideration the following heuristics:
The active tenant storage quota, measured in terabytes (TB)
The active storage—that is, the volume of standard storage currently in use, in terabytes (TB)
The average archive storage expected to be consumed annually, in terabytes (TB)
The storage cost per gigabyte/per gigabyte per month, as applicable
Using the pricing calculator
To use the Microsoft 365 Archive pricing calculator, you need to perform the following steps. Information about how to collect data from each of these steps is detailed later in this article.
Download the latest version of the Microsoft 365 Archive pricing calculator tool.
Launch the tool and provide inputs in the cells indicated in the 'Input' column.
Observe the estimated results in the 'Results' column.
Modify the inputs in the 'Input' column if you want to model a range of scenarios across input variables.
Pricing calculator notes
When using the Microsoft 365 Archive pricing calculator, be aware of the following points:
- In the Microsoft 365 Archive pricing calculator, any Excel spreadsheet cell that is colored orange can have data entered.
Billing scenarios
Your charges for Microsoft 365 Archive depend on your tenant’s standard storage quota. The following scenarios and diagram can help you compare charges based on excess storage.
| Scenario | Description | Additional costs |
|---|---|---|
| A | Tenant hasn't archived any data and exceeds the standard storage quota by 200 GB. | Purchase 200 GB of additional standard storage packs. |
| B | Tenant has archived the 200 GB of data that exceeded their standard storage quota. | Pay at $0.05/GB/month for 200 GB of archive storage. |
| C | Tenant has archived more storage than exceeded their standard storage quota. | Pay only for the 200 GB of archived data that exceeds the standard storage quota. |
| D | Tenant has archived some, but not all, of the data that exceeds their standard storage quota. | Purchase additional standard storage packs and pay $0.05/GB/month for approximately 100 GB of archived data. |
| E | Tenant’s total data (standard + archive) is less than their standard storage quota. | No additional costs. |
Pricing for unlicensed OneDrives
Archive storage for unlicensed OneDrives is billed per GB of archived data per month. Reactivation of archived OneDrives is billed per GB of reactivated data per reactivation. For more information, see Pay-as-you-go services and pricing for Microsoft Syntex.
Note
Unlicensed archived OneDrive sites can't use additional SharePoint storage to bypass archive costs. For more information, see Manage unlicensed OneDrive user accounts.
For EDU tenants, pooled storage is applied. For more information, see Education offering for Microsoft 365 Archive.