← Cases
JapanTechnology and telecom2025 – ongoing

OBC

Company-wide Microsoft 365 Copilot and a Copilot Studio support assistant

OBC held about 90% monthly active use across 1,115 Microsoft 365 Copilot licenses

WorkingVendor case studyVendor ↗

Problem

OBC wanted AI use to become routine across the company. Its support center, which was phone-based, struggled to find past cases and knowledge, and it paid for an external AI support service.

Approach

OBC started with a pilot of 50 users chosen with input from department heads, then rolled out Microsoft 365 Copilot company-wide. It gave licenses to 104 new hires and added 154 licenses for high-value departments. In-house, it built a support-center assistant with Copilot Studio in about six months and replaced the paid service.

Results

1,115 ライセンスMicrosoft 365 Copilot licenses as of February 2026, per Microsoft's customer storyVendor case study[1]
90%前後monthly active use of Copilot, per Microsoft's customer storyVendor case study[1]
約5.75 億円estimated value over the past six months, about 575 million yen, from a dashboard simulation, per Microsoft's customer storyVendor case study[1]
約3.22 億円license cost over the same six months (about 322 million yen), the comparison for the estimated valueVendor case study[1]

Takeaway

OBC valued the licenses with a dashboard simulation. The 575 million yen figure is an estimate of support value, not booked savings.

Categories

Innovation type
Process innovation
AI technology
Generative AI
Evidence
Vendor case study

Sources

Source summaries

[1]Microsoft6 Apr 2026

Microsoft's customer story covers OBC's company-wide Copilot rollout after a 50-user pilot and a support assistant built with Copilot Studio. It gives 1,115 licenses, about 90% monthly active use, and an estimated six-month value of about 575 million yen against about 322 million yen in license cost. It also says the new assistant costs about half as much to run as the paid tool it replaced.

Full details are in the original sources.

Added 2 Nov 2026 · Updated 2 Nov 2026
Open case page ↗