Skip to content

Ops Log tag

#Cost Optimization

Reviewed Ops Log notes tagged Cost Optimization, written by Michal Jatczak with source links, test context and operational checks.

4 reviewed notes

Decision MemoModern Workspace

Annual or month-to-month: the New Commerce term is a 20 percent decision

Under Microsoft New Commerce, the same Microsoft 365 seat costs about 20 percent more on a month-to-month term than on the annual term. The term you pick is a pricing decision on its own, before any tier change.

By Michal Jatczak
Decision MemoModern Workspace

The licence you keep paying for after the seat goes dark

License waste in Microsoft 365 has two honest layers: seats you can reclaim from hard data today, and a term premium you can model but not read from Graph. Here is how I separate them so the number I quote is defensible.

By Michal Jatczak
Change NoteModern Workspace

The Microsoft 365 July 2026 price change is really about commitment term

Microsoft reset Microsoft 365 list prices on 1 July 2026. The headline seat numbers moved a little; the commitment term moved a lot. Here are the confirmed figures and the tenant check to run before the next renewal.

By Michal Jatczak
Operator RunbookSecurity & Infrastructure

Eight Azure cost levers, and how to size each one on your own bill

Eight Azure cost levers with the formula for each, so the figure comes from your own consumption data rather than someone else's case study: an inventory script, the Advisor thresholds that actually apply, the retention and rehydration penalties on blob tiering, what a Basic log plan costs in detection capability, and a rollback order ranked by reversibility.

By Michal Jatczak

Adjacent tags

Ops Log briefing

Evidence you can inspect.

Michal's field notes on Microsoft 365, Azure and AI operations for regulated European teams.

  • Primary-source analysis
  • Tenant checks and tested configuration paths
  • Named author, test context, and visible limits

We send a confirmation link first. No briefing is scheduled before you confirm.