Microsoft Delve

» see delve.office.com as it lived, on the wayback machine

~ the goodbye ~

delve was an enterprise office 365 product, which means it lived inside corporate tenants and not on personal computers. i never had it. i was on gmail and google docs at home in those years and on whatever issue tracker my job used at work. delve was the kind of thing you only saw if you worked at a company that paid for the e3 or e5 office 365 sku and had an admin who turned the feature on. that was not me, and from the volume of conversation it generated outside of microsoft press releases, it was not most people.

the product shipped on september 8 2014. it was the first consumer-facing surface for the office graph, the signal layer microsoft had been building since the project codename oslo in 2013. the pitch was a card-based feed of documents and people, ranked by a relevance score the graph computed from your email, calendar, sharepoint activity and skype calls. you would open delve and see the documents your colleagues had been working on that were probably relevant to your week. mobile apps for ios and android followed in january 2015. the windows store app shipped, then got pulled in 2017.

adoption was thin from the start. the people side of delve, profile cards with bios and contact information, got more usage than the document feed because it answered a question people actually had: who is this person in my org. the feed itself ran into trust problems. employees did not understand why a document they had been working on privately was visible to a colleague. admins could not surface why someone appeared in a feed. when employees left, their interaction signals stayed in the office graph and nobody had a tool to clear them.

microsoft announced the retirement on december 14 2023 through message center post MC698136. the cutoff date was december 16 2024. the announcement framed it as an absorption rather than a death. the profile card layer moved into search, outlook and the modern microsoft 365 surfaces. the discovery feed got folded into microsoft search and the viva employee experience suite. delve.office.com went dark on schedule.

~ the chronicle ~

~ what it tried to be ~

the office graph was the real product. delve was the demo for it. microsoft had spent two years building a signal pipeline that tracked who edited what document, who emailed whom, who attended which meeting, who skyped with whom. the graph stored these as weighted edges and ran a relevance model over them to predict what was important to each user. delve was a face you could put on top of that to justify the build cost to enterprise customers.

the card-based feed pulled from sharepoint and onedrive for business by default. each card showed a document preview, the people who had been working on it recently, and the trail that surfaced it (a colleague shared it, you opened it last week, the meeting on tuesday referenced it). there was a board feature for grouping cards into shareable collections, similar to pinterest boards. the people layer linked profile cards across the suite. when delve worked, it answered the question of what is going on in my team this week without you having to ask anyone.

~ why it failed ~

two reasons sat on top of every other reason. first, the trust model. delve respected sharepoint permissions, so the feed never showed documents you did not already have access to. but the perception was that delve was leaking. people saw a coworker's draft surface and assumed delve had exposed it, when in fact the document was already in a shared site they had permission to. microsoft never solved the perception problem.

second, the admin tooling was thin. if a user thought delve was showing the wrong thing, the it admin had no surface to debug it. there was no way to clear a single signal from the office graph for a single user. when an employee left the company, their signal residue stayed in the graph forever. larger organizations cited this as a compliance concern. by 2020 enterprise admins were turning delve off at the tenant level rather than triaging individual signal complaints.

~ the long tail ~

the office graph survived delve. microsoft graph today is the same signal layer, scaled up and rebranded as the substrate that powers search across teams, sharepoint, outlook and viva. the relevance ranking that delve exposed is still there. it just runs invisibly behind better-known products instead of behind a face that nobody clicked on.

delve was the cleanest example of a category microsoft kept trying through the 2010s: a feed surface in front of office. yammer tried it for social. sway tried it for presentations. soapbox tried it for video. delve tried it for documents and people. none of these became the daily-use product microsoft wanted them to be. teams is the surface that finally absorbed the discovery work, and even there the feed model lost to the chat model. delve closing on december 16 2024 was the last of the 2010s office-feed bets to be wound down.

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