What is customer support?

Customer support is the function that helps customers resolve specific problems and questions about a product or service. It's the reactive, problem-solving side of helping customers (answering how-to questions, troubleshooting issues, and fixing what's broken), usually across channels like email, chat, and a help center.

What customer support covers

Support handles the concrete problems: a feature isn't working, an order is wrong, a customer can't log in. It's measured by how quickly and completely those issues get resolved — metrics like first response time, first contact resolution, and CSAT. Good support is fast, accurate, and low-effort, so customers get unblocked and get on with their day.

Support vs customer service

Customer support is the technical, issue-focused subset of the broader practice of customer service, which spans the whole relationship and journey. In a small team the same people do both — they resolve the bug report (support) and guide the customer proactively (service) from one shared inbox.

Selvo Shared Inbox

Run support from one inbox, not a free-for-all

Selvo's shared inbox turns email into real support: assignments, internal notes, saved replies, SLA tracking, and CSAT — without the duplicate replies and dropped threads a plain distribution list creates.

See how Selvo Shared Inbox works

Questions about Customer Support

What's the difference between customer support and customer service?

Support is the reactive, problem-solving subset (resolving specific issues); service is the broader relationship across the whole journey. See our customer service vs customer support comparison.

What channels does customer support use?

Most commonly email, live chat, a help center/knowledge base, and increasingly AI agents. Phone and social are common too. The mix depends on your customers and team size.

Related terms

Customer Service vs Customer Support

Customer service is the broad practice of helping customers across their entire journey — onboarding, questions, guidance, and relationship-building. Customer support is the more technical subset focused on resolving specific problems and issues. Support is reactive and problem-led; service is broader and often proactive. In small teams, the same people do both.

Help Desk

A help desk is the team and software that answers customer questions and resolves issues — typically organizing incoming requests into a queue of tickets or conversations that agents work through. It's the operational hub of customer support, bringing every request into one place so nothing gets lost.

Shared Inbox

A shared inbox is a collaborative workspace where a team manages one email address (like support@) together. On top of plain email it adds assignment, status, internal notes, saved replies, and shared visibility — so everyone sees what's handled, what's waiting, and who owns each conversation.

Browse the full customer support glossary →