Harbour ITMenu

Powered by Office Sentry 2.2.0

You're in the demo. Three fictional clients with made-up people. Look around freely: nothing can be changed, and it all resets every night.Get Office Sentry
Clients/Contoso Legal LLP

Contoso Legal LLP

contoso.onmicrosoft.com
Monthly review

Mailbox size trend

How each mailbox has grown over the last one and three months, which will fill up and when, and the tenant's total mailbox size month by month.

All clients
Download PDFXLSX
Total mailbox size
473.7 GB
Across 23 mailboxes
Change in the last month
+54.7 GB
Since 2026-09-06
Fastest growing
+2.8 GB a month
evie.davis@contoso.example
Full within 90 days
1
At the current rate, or full now

Mailbox storage over time

0 GB300 GB600 GB19 Jul 202611 Oct 20262026-07-19: 386.4 GB2026-07-26: 389.7 GB2026-08-02: 407.5 GB2026-08-09: 412.5 GB2026-08-16: 400.6 GB2026-08-23: 423.8 GB2026-08-30: 399.9 GB2026-09-06: 419 GB2026-09-13: 434.8 GB2026-09-20: 433.5 GB2026-09-27: 441.2 GB2026-10-04: 467 GB2026-10-11: 473.7 GB473.7 GB
Growth by mailbox 1Total size by month 4

Growth by mailbox 1 of 23

1 to review CSV

Each mailbox now, against Office Sentry's collection from 35 days earlier (2026-09-06), fastest-growing first. 1 mailbox is full or forecast to fill within 90 days at its current rate: turn on the archive (or auto-expanding archiving) or clear old mail before sending stops.

30 days ago: 1.9 GBRemove Clear filters
MailboxTypeSize now30 days ago30-day change90 days agoGrowth a monthStops sending atForecast full
william.clark@contoso.exampleUser2.1 GB1.9 GB+263.1 MB+225.5 MB49.5 GB10 Jun 2044

Total size by month 4

CSV

The tenant's total mailbox size at the last collection of each month.

MonthTotal sizeChange
2026-10473.7 GB+32.5 GB
2026-09441.2 GB+41.3 GB
2026-08399.9 GB+10.2 GB
2026-07389.7 GB

Data from Mailbox size ().