The free storage decade is over, and one company is helping institutes navigate the chaos it brings.
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Arcitecta, the Melbourne-based data management firm behind the Mediaflux platform, has launched a tool aimed at universities staring down the end of free, effectively unlimited Microsoft 365 storage.
Mediaflux Connect 365 is available immediately; it scans an institution's OneDrive, SharePoint, and Teams estate, categorizes what is there, and manages moving it to cheaper on-premises solutions or alternative cloud storage before Microsoft starts billing universities overage costs.
Overage or excess storage costs kick in from December 2026 for universities using Microsoft's plans, and universities that cut their data usage to the prescribed sizes could see nearly a 90% reduction in storage costs, according to Gartner.
In this brave new world where AI data center demand essentially dictates rising storage prices, the move by Microsoft is hardly surprising as it shifts to prioritize AI infrastructure to capitalize on a growing market.
It's not a sudden move either; the decision was rolled out in phases, with the first warnings coming when it announced the end of unlimited education storage in 2023, and it began enforcing the change in August 2024.
Currently, every education tenant gets 100 TB of free pooled storage shared across OneDrive, SharePoint, and Exchange, plus 50 GB for each paid A3 user and 100 GB for each paid A5 user. Free A1 users have been capped at 100 GB of OneDrive each since February 2024. Additional capacity is sold in 10 TB packs at an estimated retail price of $300 per month, which effectively becomes $360,000 per petabyte of storage consumed or reserved yearly.
This might seem like a lot, but many universities have a multiple of that amount in shared data across their organization, making for a potential multi-million-dollar payout for storage to Microsoft alone, a previously unforeseen expense for many.
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Microsoft does a fairly decent job of warning users: an institution that blows through its pool doesn't just get a bill upfront. Instead, admins get warnings at 80 and 90% of capacity, then a 30-day grace window at 100%.
The problem is that the 30-day window is woefully inadequate for moving data off Microsoft's servers without incurring overage charges, thanks to a 400GB/hour cap Microsoft enforces on data throughput, something that will affect universities with particularly large stores of data disproportionately.
Microsoft, on its part, insists this affects almost nobody, saying "most schools (99.96%) are well below their storage allotment."
This might be a bit of cherry-picking at best, since it covers every education tenant on Earth, most of them primary and secondary schools, which do not have such large data requirements.
Those affected would presumably be research universities, and Gartner, quoted by Blocks & Files, is blunter: "Some will be hundreds of terabytes over when the quota is enforced."
