Canberra's Digital Archives Are Full of Duplicate Images — and the Numbers Show Why That's a Problem

At least one in every five digital images stored across ACT government agency servers is a duplicate, according to records management benchmarks widely cited in the Australian public sector. For a city where the federal and territory governments together employ roughly 100,000 people — many of them generating documents, reports and presentations daily — that ratio translates into enormous, largely invisible waste.

The problem has moved up the priority list for Canberra's IT managers in 2026 for a specific reason: the ACT government's Digital Strategy, which runs through to 2028, includes explicit targets around reducing redundant data holdings and improving the integrity of official digital records. Agencies that miss those benchmarks face scrutiny from the ACT Auditor-General's Office, which has previously examined digital record-keeping practices across directorates. The pressure is real.

What the Numbers Actually Look Like

Cloud storage costs for enterprise-grade government systems in Australia commonly run between $80 and $120 per terabyte per month for managed services, depending on the contract tier. A single high-resolution image file used in a government report — the kind produced routinely by the ACT Health Directorate in Civic or the Environment, Planning and Sustainable Development Directorate offices on Constitution Avenue — can run to 10 megabytes or more. Multiply that by hundreds of thousands of files, add duplication rates of 20 to 30 percent, and the unnecessary monthly storage bill across a mid-sized directorate can reach tens of thousands of dollars a year.

The Australian National University's Research Data Storage service, which supports researchers across its Acton campus, has publicly acknowledged that duplicate and poorly organised image files represent one of the most common sources of storage bloat in research environments. The University of Canberra, operating out of Bruce, faces similar pressures across its faculty shared drives, particularly in departments producing visual research outputs.

Duplicate image replacement — the process of identifying redundant copies, nominating a canonical master file, and replacing all other instances with a reference link or pointer — is the technical fix most records managers recommend. Done systematically, it can reduce image storage volume by 15 to 25 percent in organisations that haven't previously audited their holdings, according to published guidance from the National Archives of Australia, which is headquartered on Queen Victoria Terrace in Parkes.

Why Canberra Feels This More Than Most Cities

Canberra's workforce composition makes the duplicate image problem more acute than it would be in a comparably sized city. Public servants generate an unusually high volume of policy documents, budget papers, consultation reports and ministerial briefings — all of them routinely illustrated with charts, photographs and infographics that get copied, re-emailed and re-saved across shared drives.

The problem compounds over budget cycles. Each year's Budget Papers, released by the ACT Treasury from London Circuit, include dozens of images and graphs. Earlier versions, draft revisions and final copies all circulate separately, and without disciplined file management, each iteration gets saved as a new file rather than an updated version of the same one.

Deduplication software tools — several of which are approved under the Australian government's Digital Marketplace panel — can automate the identification process. Typical per-seat licensing for these tools in 2025-26 ran between $15 and $40 annually depending on scale, meaning a directorate of 500 staff could implement a full deduplication program for well under $20,000 a year, a fraction of the storage costs it would offset.

For Canberra institutions looking to act now, the National Archives' Digital Continuity 2020 Policy — still the baseline standard for Commonwealth agencies — provides a starting framework, even though its headline date has passed. ACT government directorates operating under the Territory Records Act 2002 have parallel obligations. Records managers at places like the Canberra Institute of Technology's Reid campus or the Libraries ACT network, which runs branches from Belconnen to Tuggeranong, are increasingly being asked to apply the same discipline to image assets that has long been applied to text documents. The audits, where they've been done, keep finding the same thing: the duplicates were always there. Nobody had looked.