Getting Started

Free Preventive Maintenance Schedule Template (Excel)

A practical Excel PM schedule template with frequency formulas, overdue flagging, and conditional formatting. Download free, use today.

SP
Shane Price
AssetOS
·May 5, 2026·6 min read

Free Preventive Maintenance Schedule Template (Excel)

Preventive maintenance lives or dies by one thing: whether the schedule is visible, current, and actually used.

Most teams start with a calendar. Then a spreadsheet. Then a spreadsheet that nobody updates because the person who built it left. I've seen this at facilities managing 20 assets and plants running 2,000. The failure mode is always the same.

This template is built to avoid that failure mode. It's the PM schedule structure I've used and recommended across ten years of managing maintenance systems — straightforward, low-friction, and built so anyone on your team can pick it up without a training session.


Download the Template

PM Schedule Template

Enter your email to download the free Excel PM schedule. We'll also send a copy via email.

Free download. No spam. Unsubscribe anytime.


What Goes in a PM Schedule

Before building anything, be clear on what the schedule needs to do. It has one job: make sure the right task happens to the right asset at the right time, and that someone can confirm it did.

That means four fields are non-negotiable:

  • Asset ID — what's being maintained (links to your asset register)
  • Task — what specifically needs doing
  • Frequency — how often (daily, weekly, monthly, quarterly, annual)
  • Last Completed / Next Due — the two dates that drive the whole system

Everything else is optional. Add it if you'll use it; leave it out if you won't.


Building the Schedule in Excel

Core structure

ColumnWhat it's for
Asset IDShort identifier — matches your asset register
Asset NameHuman-readable name for scanning
LocationWhere the asset lives
TaskSpecific, actionable description
FrequencyDaily / Weekly / Monthly / Quarterly / Annual
Last CompletedDate the task was last done
Next DueCalculated — see formula below
Assigned ToWho owns this task
StatusOpen / Complete / Overdue

The Next Due formula

This is the one formula that makes the whole thing work. In the Next Due column:

=IFERROR(
  IF(E2="Daily", D2+1,
  IF(E2="Weekly", D2+7,
  IF(E2="Monthly", D2+30,
  IF(E2="Quarterly", D2+91,
  IF(E2="Annual", D2+365, "")
  )))), ""
)

Replace E2 with your Frequency column, D2 with your Last Completed column. Drag down the column. Update Last Completed when a task is done — Next Due recalculates automatically.

Conditional formatting: make the urgent visible

Add two rules to the Next Due column:

Overdue (red): Format → Conditional Formatting → New Rule → Formula: =AND(F2<TODAY(), F2<>"") → Red fill

Due within 7 days (amber): Formula: =AND(F2>=TODAY(), F2<=TODAY()+7) → Amber fill

Now you have a live dashboard. Open the sheet Monday morning and everything that needs attention is already flagged.

Data validation for consistency

Use dropdown lists for Frequency and Status. Without this, you'll have "monthly", "Monthly", "mo.", and "1/month" in the same column within a week, and your filters will break.

Select the Frequency column → Data → Data Validation → List → Daily,Weekly,Monthly,Quarterly,Annual

Same for Status: Open,Complete,Overdue,Skipped


Making It Work in Practice

Assign an owner per task, not per team. "Facilities team" means nobody. "Tom Jones" means Tom Jones.

Update Last Completed the day it happens. Not the day after. Not at the end of the week. Same day. One skipped update and you've lost the audit trail.

Review overdue items weekly. Schedule a 15-minute Monday review. Filter for red rows. Assign, chase, close. Without this ritual, the schedule becomes decoration.

Don't add tasks you're not going to do. A PM schedule that's 30% aspirational is a PM schedule that gets ignored. Start with the tasks you actually run today. Add more as you build the habit.


Where Excel PM Schedules Break Down

The formula above works. I've seen teams run it for years. But there are specific points where it stops being good enough.

No notifications. Excel doesn't ping anyone when a task comes due. You have to remember to open the file and check. If the person who checks it is on leave, nothing gets flagged until they're back.

Multi-site operations. One spreadsheet per site is manageable. Three spreadsheets is annoying. Ten is a mess. You can't roll up PM compliance across sites without building your own pivot table, every time, manually.

Audit evidence. If an auditor asks "show me proof that this PM was completed on this date by this person," a cell in a spreadsheet is weak evidence. Anyone could have typed that. A timestamped record with a logged-in user attached is what auditors actually want.

Contractor and third-party tasks. Your schedule will have tasks owned by external contractors — annual inspections, statutory checks, specialist servicing. Tracking these in the same spreadsheet as internal tasks gets complicated fast.

None of these are reasons to avoid starting with Excel. They're things to watch for so you know when it's time to move.


Signs You've Outgrown the PM Spreadsheet

  • Tasks are slipping because nobody saw them coming until they were already overdue
  • You're spending more time maintaining the schedule than running the maintenance
  • Your technicians won't open the file on their phones
  • You've had a version conflict — two copies of the schedule that don't match
  • An auditor asked for PM completion evidence and you had to scramble

If three of those are true, read this: 5 Signs You've Outgrown Spreadsheet Asset Management


If you're building out a full Excel CMMS, these fit alongside this PM schedule:


When the schedule needs to notify people

AssetOS sends PM reminders automatically, logs completion against the asset record, and gives you a compliance dashboard across every site — without a spreadsheet.

Share
SP

Shane Price

AssetOS

Writing about maintenance management, CMMS implementation, and the real challenges operations teams face.

Related reading

We use cookies to analyze site traffic and improve your experience. Learn more