Slack onboarding

Employee Offboarding Checklist: A Complete Guide for 2026

Sakha Team9 min read

An offboarding checklist is the set of steps that has to happen when an employee leaves: securing access, capturing their knowledge, learning from their departure, handling the administrative close-out, and ending the relationship with respect. Companies pour energy into onboarding and then improvise offboarding, which is a mistake on three fronts at once, security, knowledge, and reputation. This guide is the complete checklist, with attention to the parts most often rushed.

Why offboarding deserves a real process

Onboarding gets the attention because it is the exciting end. But offboarding carries risks onboarding does not. A departing employee with lingering system access is a live security hole, the kind that shows up in breach reports and disputes. A departing employee whose knowledge nobody captured takes years of institutional context out the door, the knowledge transfer problem at its sharpest. And how you treat someone on the way out determines what they say about you afterward and whether they ever come back as a boomerang hire. Three real costs, all from a process companies treat as an afterthought.

The complete checklist

AreaSteps
Knowledge transferMap critical knowledge, document into the knowledge base, walkthroughs, successor test
Security and accessRevoke all access on the date, recover devices, transfer file and account ownership, change shared credentials, remove from groups
Exit interviewCandid conversation, neutral interviewer, aggregate the findings
Pay and benefitsFinal pay per law, PTO payout where required, benefits continuation info
EquipmentCollect or arrange return, especially for remote staff
CommunicationTell the team and relevant external contacts appropriately
The goodbyeA respectful, human send-off

The two that get rushed (and cost the most)

Security and access. The failure mode is orphaned access: accounts that stay live after someone leaves because the offboarding was informal. Completeness and timing are everything, every system, on the right date, including the shared credentials they knew and the access groups they sat in. For remote and distributed teams, device recovery needs its own plan. This overlaps with IT onboarding run in reverse.

Knowledge transfer. The ideal is that you captured knowledge continuously, so the exit is calm, the argument in knowledge transfer planning. During offboarding, map what only this person knows, get it into a searchable system rather than a handover doc that vanishes, run live walkthroughs with the successor, and test that the successor can actually do the work before the person is gone. Tacit knowledge transfers in demonstration, not in bullet points.

Do not skip the goodbye

The administrative steps protect the company; the human send-off protects the relationship. A respectful goodbye (acknowledging contribution, a clean handover, leaving the door open) is what turns a departure into a future boomerang hire, a referral source, or simply someone who speaks well of you. It costs almost nothing and pays back in reputation and rehires.

How Sakha helps

Sakha is built around the hardest offboarding problem: knowledge. Continuously, it can capture institutional knowledge from your Slack conversations, so by the time anyone leaves, much of what they know is already documented and searchable, turning the exit scramble into a formality. At departure, the leaver's critical knowledge goes into the same knowledge base, where their successor and the rest of the team can query it long after they are gone, no archaeology required. Its staleness detection then flags that transferred knowledge for verification over time, so it stays trustworthy. The security and pay steps belong in your IT and HR systems; the knowledge that usually walks out the door is the part Sakha keeps. Pair it with a clear exit interview and the loop is complete.

Curious how Sakha runs onboarding inside Slack? See how it works.