In new co-selling partnership with Microsoft, Box will start offering Azure storage alongside Box subscriptions and Microsoft to offer Box alongside Azure sales
Tess Townsend / Recode :
Context & Ripple Effects
Box has spent two years turning itself into a neutral content layer across rival clouds: first an IBM content-management and security integration in 2015, then becoming a third-party storage option inside Google Docs, Sheets, and Slides in 2016. The Microsoft co-selling deal extends that playbook from technical interoperability into joint go-to-market.
For Microsoft, this is consistent with how it treats Azure: rather than fighting every application vendor, it recruits them — the same logic behind bringing Red Hat's Linux onto Azure. Box had already shipped a Windows 10 Universal app, so the relationship predates this deal; what changes is that both companies' sales forces now carry each other's product.
First-order effects
- Box gains access to Microsoft's enterprise sales channel without hiring sellers of its own, while Microsoft's reps can attach Box to Azure deals — each side effectively rents the other's customer relationships.
- Box customers buying subscriptions can now have their storage underwritten by Azure, meaning Box's own infrastructure burden shifts toward a hyperscaler it once competed with.
Second-order effects
- Rival content-collaboration vendors now face a competitor whose storage costs are subsidized by Azure economics and whose distribution includes Microsoft's field sales — pressuring them to strike similar co-sell arrangements with AWS or Google Cloud.
- The deal commoditizes raw storage further: if Box can resell Azure capacity alongside subscriptions, differentiation moves up the stack to content management, security, and workflow — the layer where Box already partnered with IBM.
Third-order effects
- If the pattern holds, enterprise SaaS vendors stop building proprietary infrastructure altogether and reposition as application layers on top of a few hyperscalers, with co-selling agreements replacing capital expenditure as the route to scale.
- Cloud competition consolidates into ecosystems rather than products: buyers increasingly choose a hyperscaler plus its attached partner stack, making cross-cloud neutrality for vendors like Box both a selling point and a dependency on former rivals.
The trend: Enterprise software is splitting into hyperscale infrastructure platforms and application vendors who trade equity in their own stacks for access to those platforms' sales channels.