When files were last modified
Active <1 yr 342 GB (11%) Recent 1–3 yr 639 GB (21%) Ageing 3–5 yr 410 GB (13%) Stale 5+ yr 1.7 TB (55%)
Age bandSizeFiles%
Active <1 yr342 GB53k11%
Recent 1–3 yr639 GB123k21%
Ageing 3–5 yr410 GB183k13%
Stale 5+ yr1.7 TB796k55%
Directory breakdown — click to expand subdirectories
Age →  Active <1 yr Recent 1–3 yr Ageing 3–5 yr Stale 5+ yr
Type →  Video Creative Email / PST Archive Document Image Engineering / BI
Departments
625k files 2.4 TB
Archive
385k files 216 GB
Backup
5k files 99 GB
Email Archives
22k files 67 GB
Miscellaneous
73k files 60 GB
Users
3k files 54 GB
Graphic Design before June 2019
4k files 47 GB
System Volume Information
15k files 47 GB
Matts_OldStuff
7k files 40 GB
ITDump
12k files 23 GB
_Archives
2k files 10 GB
ITData
3k files 9 GB
ReplScripts
27 files 260 MB
Data Protection
19 files 20 MB
Files that cannot go directly to SharePoint

These file types require specialist routing — Exchange Online, PDM, cold storage, or deletion. Locations are shown by folder; sensitive directories are excluded from this view.

PST / Email Archives
399 GB
.pst .ost
Route to Exchange Online via M365 Import Service — not SharePoint.
Top directories
Departments\Sales80 GB
Email Archives\Orders57 GB
Archive\Orders53 GB
Backup\Purchasing37 GB
Users\burdenp25 GB
Miscellaneous\Users Backup24 GB
Backup\Zoho Desk18 GB
Backup\_Archives17 GB
CAD & Engineering Files
45 GB
.sldprt .sldasm .dwg .step .dxf
SolidWorks → PDM/PDM Standard. AutoCAD/DXF → verify DMS. No SharePoint preview.
Top directories
Departments\Engineering44 GB
Miscellaneous\Software725 MB
Departments\Customer Service116 MB
Departments\Clinical Education56 MB
Departments\Production55 MB
Departments\Purchasing & Logistics52 MB
System Volume Information\DFSR37 MB
Departments\Quality24 MB
Video Files
413 GB
.avi .mp4 .mov .cine .mts .mxf
Specialist codecs (.cine, .mxf, .r3d) to cold storage. Verify all formats before migrating.
Top directories
Departments\Marketing258 GB
Departments\Clinical Education44 GB
Departments\Sales Management40 GB
Departments\Engineering14 GB
Departments\Sales14 GB
Departments\Product Management12 GB
Users\jangl10 GB
Departments\Clinical Hub10 GB
Creative Suite Files
402 GB
.psd .ai .indd .eps
No native SharePoint preview. Consider a Digital Asset Management platform.
Top directories
Departments\Marketing252 GB
Departments\Sales Management120 GB
Graphic Design before June 2019\Salaam18 GB
Matts_OldStuff\MARKETING ACHIEVE4 GB
Graphic Design before June 2019\Christian3 GB
Matts_OldStuff\STEPS1 GB
Departments\Engineering1 GB
Departments\Customer Service775 MB
Database Files
387 MB
.mdb .accdb
Standalone .mdb/.accdb files are not suitable for SharePoint migration.
Top directories
Backup\Accounts7SP3216 MB
Departments\Finance152 MB
Miscellaneous\Software15 MB
Departments\Customer Service6 MB
VM & Disk Images
5 GB
.vmdk .vhd .vhdx .iso
Do not migrate to SharePoint. Archive to Azure Blob or decommission.
Top directories
ITDump\Software5 GB
Installers & Executables
27 GB
.exe .msi .cab
Route to Intune/SCCM software library or delete. Not a SharePoint target.
Top directories
ITDump\Software10 GB
Backup\Accounts7SP34 GB
Miscellaneous\Software2 GB
Departments\Finance2 GB
Departments\Workshop2 GB
ITDump\Driver1 GB
Departments\Production1 GB
Matts_OldStuff\C60890 MB
Storage breakdown by category
Image .jpg .tif .png .nef
752 GB 24%
Email / PST .pst .ost .msg
611 GB 20%
Document .pdf .docx .xlsx .pptx
450 GB 14%
Video .mp4 .mov .avi .mts .cine
425 GB 14%
Creative .psd .ai .indd .eps
402 GB 13%
Archive .zip .bak .cab .iso
187 GB 6%
Other
174 GB 6%
System .exe .dll .dat .tmp
55 GB 2%
Engineering / BI .sldasm .sldprt .bip .dwg
52 GB 2%