All 23 servers — circle area proportional to storage, colour shows age of data
Active <1 yrRecent 1–3 yrAgeing 3–5 yrStale 5+ yr
Data activity
When files were last modified — fleet-wide
Active <1 yr9.2 TB (11%)
Recent 1–3 yr15.2 TB (19%)
Ageing 3–5 yr12.7 TB (16%)
Stale 5+ yr44.2 TB (54%)
54% of the fleet has not been modified since before June 2021. Migrating this data to SharePoint adds licensing cost and increases the eDiscovery surface without adding value. Recommend a data hygiene pass — identify folder owners, agree retention or deletion — before scoping migration volumes.
Migration routing
Where the data belongs — by category
Stale data — action first
44.2 TB
Owner review required
54% of the fleet hasn't been touched in 5+ years. This data must not be migrated without owner sign-off — agree retention, archive, or delete before migration begins.
Email archives spread across all sites. Route to Exchange Online via the M365 Import Service. Largest concentrations: Malsch 2.2 TB, Fresno 1.7 TB, Stourbridge Srv1 1.2 TB, Helmond 1.2 TB.
.pst.ost.msgM365 Import
Specialist routing
~20 TB
Engineering · Creative · Video
3.3 TB engineering files: SolidWorks → PDM, .bip → Power BI Service. 5.2 TB creative (.psd .ai .indd): consider DAM. 11.4 TB video: verify formats, .cine to cold storage.
.sld* → PDM.bip → Power BI.cine → cold.psd → DAM
SharePoint — after hygiene
~35 TB
Documents · Images · Working files
Estimated SharePoint-viable volume after stale data resolved, email routed to Exchange Online, and specialist files separated. Actual figure depends on data hygiene outcomes.
.docx .xlsx .pdf.jpg .pngworking archives
Server detail
All 23 servers — click any row to open the detailed report