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SharePoint storage cost calculator

Try an example

Microsoft includes 1 TB, plus 10 GB per licence.

SharePoint admin centre, home page, “Storage used”. Or ask your IT provider.

Not changed for 2 years, the default rule. 60% is a starting guess; the detailed scan measures yours.

Your own Microsoft rate or allowance (optional)

Blank uses Microsoft’s list price.

Shown in the Microsoft 365 admin centre. Blank uses Microsoft’s formula.

Estimated saving

US$3,533 a year

Extra-storage bill now
US$360 a month
With ArchiveBridge, all in
US$65 a month
Your extra-storage bill falls
82%

These old files would cost US$90 a month on Microsoft 365 Archive, against US$65 with ArchiveBridge (US$0.05 per GB, checked 18 Oct 2026). How the two compare

Prices inbefore tax
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How this is worked out

Figures in USD, before tax. Microsoft includes 1 TB of SharePoint storage plus 10 GB per licence; only storage above that is charged, at Microsoft’s list price of US$0.20 per GB a month. The saving counts only files old enough to archive that sit above your allowance. ArchiveBridge’s cost is its published price for those files, storage included, with its billing steps. These are full-month estimates; real bills use measured daily usage. OneDrive is not counted: ArchiveBridge backs OneDrive up but does not remove files from it.

Where the numbers come from

Your allowance
Microsoft’s formula, from its SharePoint limits page.
Microsoft’s rate
List price, about US$205 per TB a month. Yours may differ.

Swap the guesses for real figures.

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