ASD's Blueprint for Secure Cloud


This section describes the design decisions associated with Microsoft 365 Themes for system(s) built using ASD's Blueprint for Secure Cloud.

Estimated reading time: 2 minutes

Microsoft 365 Themes provide a method to customise the portal look and feel for users. Themes may assist users with familiarisation and adoption of the Microsoft 365 environment as they can be applied to reflect existing organisation systems and styles.


Logo ImageOrganisation logoUnder 10 KB, 200 x 30 pixels in JPG, PNG, GIF, or SVG format. SVG is the preferred format so as to maintain high resolution presentation.
Background ImageOrganisation image or logo15 KB or less, 1366 x 50 pixels in JPG, PNG, or GIF format. This is in line with Microsoft best practice.
Prevent users from overriding their themeYesPrevent users from choosing their own theme from the Microsoft theme gallery. Enabled to maintain cadence between potential personal tenancies and the ‘corporate’ environment.
Navigation bar colourDefaultBased on organisation style guidance. To maintain cadence with corporate standards.
Text and icon colourDefaultBased on organisation style guidance.
Accent ColourDefaultBased on organisation style guidance.
Show the users name on the top navigation bar when the user is signed inYesThe users name will be shown to identify who is signed in.

Security & Governance

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Do you have a suggestion on how the above page could be improved? Get in touch! ASD's Blueprint for Secure Cloud is an open source project, and we would love to get your input. Submit an issue on our GitHub, or send us an email at

Acknowledgement of Country icon

Acknowledgement of Country
We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities. We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

Authorised by the Australian Government, Canberra