Everything HR needs to run an enrollment season that actually lands: a week-by-week timeline, the channel mix that reaches every employee, ready-to-adapt templates, and the metrics that show it worked.
Open enrollment is the one moment every year when your entire workforce is required to make a decision about their benefits. Whatever they understand in that window shapes twelve months of behavior — which plan they sit in, whether they use preventive care, whether the programs you fund get touched at all.
That makes enrollment communication unusually high-leverage, and unusually easy to get wrong. The common failure isn't a lack of effort; it's compression. Everything gets pushed into a two-week window, delivered on one channel, written in plan language rather than plain language. Employees respond the way anyone would under those conditions: they re-elect last year, ignore the rest, and ask HR the same questions they asked last fall.
The fix is structural. Start earlier, use more than one channel, write for decisions instead of documents, and measure reach by segment rather than in aggregate. That's what the rest of this guide covers.
A cadence that gives employees time to think, ask, and involve their families — instead of deciding in a rush on deadline day.
Announce dates, flag what's changing, and tell people what they'll need to decide. Early warning is what makes the rest of the campaign work — it moves enrollment onto their calendar before it's urgent.
Plain-language plan comparisons, real per-paycheck costs, and the programs employees routinely miss. This is the window where understanding is actually built — and where family decision-makers need to be included.
Short, single-action reminders on the channels people actually check. Escalate to text for the final stretch, and target only those who haven't completed enrollment rather than blanketing everyone.
Confirm elections, explain what happens next, and roll straight into year-round communication. The week after close is the highest-attention moment you'll get all year — don't waste it on silence.
Sending every message everywhere trains people to ignore all of it. Matching the channel to the message is what keeps reach high and fatigue low.
| Channel | What it's for during enrollment |
|---|---|
| Text / SMS | Deadlines and last-chance reminders. Highest reach, so reserve it for messages that require action today. |
| Plan comparisons, cost detail, and explanation — for the employees who have and read a company address. | |
| Mobile site, no login | The always-available reference layer. Critically, it's the only channel a spouse can reach. |
| Microsoft Teams / Slack | In-the-flow nudges and quick answers for desk-based staff. |
| Print, break room, on-site | Still the most reliable way to reach a plant floor, a warehouse, or a night shift. |
| Manager talking points | Frontline credibility. Managers get asked first — give them three sentences and a link. |
A campaign that begins when the window opens gives employees no time to gather information, talk to a spouse, or ask a question. Deadline-day spikes are the symptom. Starting six to eight weeks out is the single highest-return change most employers can make.
Email-only campaigns systematically exclude deskless staff, shift workers, and every family member making household healthcare decisions. If you don't know your reach by segment, assume it's far lower than the org chart suggests. The full case is in why email-only open enrollment fails frontline teams.
Employees don't have plan questions, they have situation questions. "Coinsurance after deductible" is a document. "Your annual physical costs you nothing" is a decision. Write for the decision.
Dependents drive a large share of claims, and the person making the family's decisions frequently doesn't work for you. If everything runs through a corporate login, they never see a word of it.
Enrollment ends and communication stops until next fall — teaching employees that benefits are paperwork. The programs you fund go unused for eleven months. Year-round cadence is what converts elections into utilization.
Every guide we've published on planning, running, and measuring enrollment communication.
Free GuideFour communication moves on two pages. Name and email — we send the PDF and add you to the monthly insights list.
Read more →Live webinarA free Microsoft Teams session on the calendar, channels, and copy that keep enrollment from collapsing into a two-week scramble.
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TimelineExactly what to send and when, from eight weeks out through the week after close.
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ChecklistForty-two items across audience, channels, content, and measurement — nothing missed.
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Best PracticesA proven timeline, channel mix, and messaging playbook to drive participation.
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TemplatesCopy-and-adapt messaging for every channel — email, SMS, posters, and manager scripts.
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PitfallsThe recurring failures we see in audits — and what each one costs when left alone.
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Reach EquityReach the workers who never open a company email — and their families.
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StrategyOpen enrollment is one moment. Engagement is built across all twelve months.
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HDHP / HSAPaycheck, deductible, and an account they keep — so the first contribution happens.
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ElectionsLast-year elections are not a strategy. Consequence language and a real calendar.
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ManagersPermitted phrasing, an escalation path, and a specific ask.
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After CloseConfirm the election, name two setup actions, and convert a pick into use.
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HouseholdDependents drive claims. Work email does not reach the person making the appointment.
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LanguageTranslate the decisions, put them on SMS and an open page, staff the phone.
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MeasurementReach by segment, on-time action, and one honest dollar story.
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FrontlineWork email is not a channel for the floor. SMS, print, managers, and a page that opens.
Read more →Nine templates covering the announcement email, the deadline text, the break-room poster, manager talking points, and the family note — written to adapt, not to admire.
Six to eight weeks before the window opens. The early phase isn't about plan detail — it's about getting enrollment onto people's calendars, flagging what's changing, and telling them what they'll need to decide. Campaigns that begin when the window opens produce deadline-day spikes and passive re-enrollment because employees never had time to think or involve their families.
Most employers land on eight to twelve touchpoints across the eight-week run-up and the window itself, spread across channels and phased from awareness to education to action. What matters more than the count is that each message has one purpose and one action. Repeating the same all-in-one announcement five times is what causes fatigue, not frequency itself.
Give each one a job: text for deadlines and last-chance reminders, email for plan comparisons and cost detail, a no-login mobile site as the reference layer that spouses can also reach, Teams or Slack for desk-based nudges, print for break rooms and plant floors, and talking points so managers can answer confidently. Broadcasting everything on every channel trains employees to ignore all of them.
Text messaging and a mobile benefits site that opens without a corporate login, supported by printed material where people actually work. Deskless, frontline, and shift employees are frequently the largest segment and the least reachable through standard channels, so an email-first campaign can miss a substantial share of the workforce entirely.
Name the change early and plainly, explain the reasoning in one sentence, and lead with the practical impact on the employee's paycheck and care rather than the plan mechanics. Ambiguity is what creates anxiety — employees fill silence with worst-case assumptions. Pair the announcement with a clear channel for questions and publish the answers you receive.
Confirm what each employee elected, explain when coverage starts and what cards or next steps to expect, and point them to the programs they now have access to. The week after close is one of the highest-attention windows of the year, and most employers waste it. It's also the natural handoff into year-round communication.
Track reach by workforce segment, the share of employees making active rather than default elections, how early people complete enrollment, the volume and topic of questions to HR, and participation in the specific programs you promoted. Open and click rates are useful for tuning messages but shouldn't be presented to leadership as evidence of value.
Four Open Enrollment communication moves on two pages — outcomes, timing, channels, and decision language. Name and work email. We send the PDF and put you on the monthly insights list.
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