You are paying, monthly, to confuse your own AI.
Cloud data grows faster than anyone plans for, and the bill arrives every month whether the content is useful or not. LogiSam finds the redundant, obsolete and trivial content across SharePoint, OneDrive, Exchange and Teams, puts lifecycle policies behind it, and makes Copilot more accurate as a side effect.
The bill is only half of it
Storage waste is the visible symptom. The accuracy and governance problems underneath it cost more and are harder to explain.
Run a free storage scan- The Microsoft invoice has a storage overage line and nobody can explain what is in it.
- Someone suggested buying more storage, and that is currently the whole plan.
- Leavers’ OneDrives from 2021 are still consuming quota and still visible to their old manager.
- A site has no owner, so nobody can approve deleting anything in it.
- Version history is set to 500 on every library because that was the default.
- Copilot keeps citing a document that three people swear was deleted years ago.
Three problems your storage is hiding
Years of digital clutter cost money today, credibility tomorrow, and accountability the moment somebody asks who owns it.
Overage you do not notice
Sites untouched for years, mailboxes with no archive policy and leaver OneDrives keep consuming pooled quota — and hit the bill silently every single month.
Stale data misleads Copilot
Old policies and superseded procedures are presented as current fact. The more noise in the tenant, the less trustworthy every AI answer becomes.
Ownerless content is a governance risk
Sites with no owner have nobody accountable for access, lifecycle or compliance — and nobody able to approve a clean-up either.
Duplicates ruin search
Four near-identical copies of a policy mean every search returns four results and users trust none of them. Deduplication is a findability fix as much as a cost one.
How we do it
Eliminate ROT data, improve lifecycle management and keep only business-critical information — without interrupting anyone.
Storage assessment & audit
A read-only scan of SharePoint, OneDrive, Exchange and Teams with per-item detail, activity dates and owners. Deliverable: a costed, exportable picture of where the space went.
Data clean-up & archiving
Agreed archiving and deletion of redundant, obsolete and trivial content, with owners in the loop at every step. Deliverable: reclaimed quota and an audit trail.
SharePoint & Teams restructuring
Consolidate sprawl, assign ownership and structure hubs, sites and libraries for findability. Deliverable: an estate that makes sense to a new joiner.
Lifecycle & retention policies
Retention labels, archive policies, version limits and automated lifecycle rules. Deliverable: clutter that does not come back next year.
Cost optimisation strategy
Overage modelling with conservative, expected and aggressive scenarios, timed to your renewal cycle. Deliverable: a number you can take to finance.
Ongoing monitoring
Scheduled re-scans compared against baseline, with alerting when growth resumes. Deliverable: proof the savings held.
Find the waste with Tenant Storage Optimisation
You cannot clean up what you cannot see. TSO scans SharePoint, OneDrive, Exchange and Teams read-only, then surfaces the duplicates, oversized files, version bloat and ownerless sites inflating your bill — each one ranked, costed and exportable as a PDF or Excel action plan.
- Hash-based duplicate detection across every site and OneDrive
- Largest files and version bloat, with the reclaim estimate per file
- Ownerless sites and dormant OneDrives, ranked by cost
- A ranked recommendations list: archive, delete or review
- Storage economics — your annual overage and three clean-up scenarios
- Client-ready PDF and Excel reports, white-labelled on the MSP tier
Read-only Graph scopes · no agents · nothing deleted or modified
Four weeks from scan to saving
- 1
Scan
Read-only, no agents. Per-site, per-mailbox and per-user detail with activity dates.
- 2
Agree
Owners review their own findings. Nothing is archived or deleted without a name against it.
- 3
Act
Archive, delete and restructure in batches, with version limits and retention applied.
- 4
Prevent
Lifecycle policies, provisioning standards and ownership so the clutter does not return.
- 5
Prove
Re-scan against baseline and report the realised saving in gigabytes and currency.
Typical results
Every engagement ends with something you can use — not a slide deck.
- $18k+ average annual storage saving identified per tenant
- 40–60% of content found untouched for over twelve months
- Ownerless sites assigned to a real owner or archived
- Mailbox and OneDrive bloat brought under policy
- Measurably fewer Copilot answers drawn from stale content
- A repeatable clean-up process your own admins can run each quarter
Ways to start
Free scan
MinutesConnect read-only and see the duplicates, stale sites, largest files and ownerless content, each with a reclaim estimate.
- No agents, nothing modified
- PDF and Excel export
- Costed savings scenarios
Clean-up project
3–6 weeksOwner review, batched archiving and deletion, restructuring and retention policy, ending in a proof re-scan.
- Owners sign off every batch
- Retention and version limits applied
- Before-and-after evidence
Managed hygiene
QuarterlyScheduled re-scans, trend reporting and a standing clean-up cadence so growth stays governed.
- Quarterly re-scan and report
- Growth alerting
- MSP and multi-tenant options
Built on
Trusted by teams at
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Microsoft 365 storage optimisation: your questions answered
Why are our Microsoft 365 storage costs rising?
Microsoft 365 includes a pooled SharePoint quota — 1 TB plus 10 GB per licence. Growth in Teams files, OneDrive, version history and mailboxes quietly exceeds it, and overage is billed per gigabyte every month. Prices rose up to 17% in July 2026, so waste costs more than it used to.
What is ROT data?
Redundant, obsolete and trivial content: duplicates, superseded versions, retired project sites, leaver OneDrives and mailboxes with no archive policy. In most tenants 40–60% of content has not been opened in twelve months.
Will clean-up affect users or compliance?
No. We identify first, agree with the content owners second and only then archive or delete — with retention policies applied so your compliance position improves rather than degrades. Nothing is removed without sign-off.
How does this relate to Copilot?
Directly. Copilot reads everything it can reach, so stale files produce stale answers delivered with total confidence. Reducing clutter is one of the cheapest and most effective ways to improve Copilot accuracy — see AI governance and readiness.
Can we see the numbers before we commit to anything?
Yes. Run a free, read-only scan with Tenant Storage Optimisation — per-site, per-mailbox and per-user detail plus a costed savings estimate, in minutes and with no agents installed.
What does the service include beyond the scan?
Lifecycle and retention policy design, archiving strategy, SharePoint and Teams restructuring, owner assignment, automation of recurring clean-up and scheduled re-scans to prove the savings held.
Is buying extra storage not simpler?
It is simpler and it is usually the expensive answer. Extra storage is a recurring cost that grows, and it does nothing about the accuracy, findability and governance problems the same clutter is causing. Clean up first, then buy what you genuinely need.
See what your storage is really costing you
Run a free, read-only TSO scan or book a call. Either way you get a costed picture in minutes rather than a discovery workshop.
Read-only Graph scopes · no agents · nothing deleted or modified