Moving From Spreadsheets to HR Software: When to Switch and How to Migrate in Under 30 Minutes

A leave-tracking spreadsheet is a great idea right up until it isn't. For the first handful of people it does the job: a tab per year, a column per person, a formula that mostly adds up. Then you hire, someone goes on parental leave, two requests collide over the same week, and the file that used to take five minutes a month starts eating an afternoon.

This guide is about that tipping point. How to tell when your spreadsheet has quietly become a liability, and how to move your people and their balances into proper HR software without setting aside a whole day for it. With a clean roster and reasonable defaults, the move can take under 30 minutes.

How do I know my spreadsheet has stopped working?

The honest signal is that you no longer trust the numbers. If you find yourself double-checking a balance against email threads, or someone disputes their remaining days and you can't prove who's right, the spreadsheet has stopped being a source of truth and become a second opinion.

A few concrete failure modes that show up around 15 to 30 people:

• Balances drift. Accruals, carryover from last year, and mid-year joiners all get calculated by hand. One stale formula and everyone's totals are slightly wrong, and nobody notices until review season.
• Approvals live in inboxes. The request is in Slack or email, the record is in the sheet, and the two fall out of sync the first time someone forgets to update one.
• Nobody can see the calendar. "Who's off next week" means opening the file and reading columns, so people stop checking and book over each other.
• Editing is dangerous. A shared sheet that ten people can touch is one accidental sort away from scrambled rows, and there's no audit trail of who changed what.
• It doesn't scale to teams. Different departments accrue differently, or contractors and full-timers follow different rules, and a single grid can't express that without becoming unreadable.

If two or three of those are familiar, you've outgrown the file. The question isn't whether to move, it's how to do it without losing the history you've built up.

For a fuller version of this checklist, see when does a business need HR software.

What actually moves when I migrate, and how long does it take?

Three things move: your people, your leave policies, and your current balances. Adding your roster is the fast part, and the policy and balance setup is where you'll spend most of your half hour. A clean list of people and reasonable defaults get you to a working system in under 30 minutes.

Here's the order that keeps it short.

1. Get your roster in. There are two ways to add people, depending on your plan. On any plan you can bulk-import your team with a CSV: download the template (name, email, department, manager, start date), fill it straight from your spreadsheet, and upload. For a team of 15 to 30 that's a short job. If your company already runs on Microsoft or Google and you're on Professional or above, the faster route is directory sync: TimeLeaf does a one-way import from Azure AD / Entra ID or Google Workspace, pulling users in and mapping groups or OUs across to teams. It runs an initial sync and then periodic incremental syncs to pick up new joiners and leavers, with a "Sync Now" button when you've just onboarded someone and don't want to wait. Either way you skip retyping the org chart by hand twice.

2. Set up your leave types and policies. Create the leave types you actually use (PTO, sick, parental, unpaid, or custom ones), then attach policies. TimeLeaf supports accruals, rollovers, and per-team or per-employment-type rules, so contractors and full-timers can follow different logic without two separate systems. Walk through it in how to set up leave policies.

3. Enter opening balances. This is the one number worth getting exactly right. Take each person's current remaining balance from the spreadsheet as their starting point, so day one in the new system matches the last good day in the old one. After that, accruals run automatically and you stop doing the math by hand.

4. Turn on the live calendar and notifications. Once people and policies are in, the team calendar shows who's off at a glance and email notifications go out on requests and approvals. This is the part that ends the inbox archaeology.

That's the whole migration. The slow steps are deciding your policies and copying balances, both of which you'd have to do once no matter which tool you picked.

Won't I lose the flexibility a spreadsheet gives me?

You lose the freedom to make mistakes, which is the point. A spreadsheet lets any rule exist, including wrong ones, with no validation and no record of who changed what. HR software trades that open canvas for rules that hold, plus an audit log of every admin action with timestamp, actor, and IP, retained for 12 months.

You also keep your data portable, so this isn't a one-way door. TimeLeaf includes GDPR tooling on every plan, including data export and CSV portability, so you can always pull your records back out. And when payroll time comes, every plan exports a payroll CSV. TimeLeaf feeds payroll, it doesn't run it: it won't calculate taxes or cut paychecks, but it hands your payroll provider clean numbers instead of a hand-totalled column.

One thing worth being clear on so you scope the move correctly. On the entry-level Starter plan ($50/mo, 10 employees included), you get leave management, the team calendar, email notifications, payroll CSV export, blackout periods, and GDPR tools. That covers a straight spreadsheet replacement, with people added by CSV import in the admin area. Directory sync, along with time tracking, timesheets, overtime, contracts, Slack/Teams/Google Chat, and direct QuickBooks/Xero sync, are on Professional ($90/mo) and above. So if directory sync is your preferred import path, you'll want Professional from the start. Every plan includes 10 employees, and the per-extra-employee rate is tiered by plan: $5 on Starter, $9 on Professional, and $12 on Business per extra person per month. The full breakdown is on the pricing page.

What to do this week

You don't have to migrate everything at once. A sensible first pass:

• Clean up your current spreadsheet so it's ready to copy from: one row per person, a column for current balance, real email addresses. This single step is most of the work.
• Pick your starting plan. If a clean leave system is all you need today, Starter does it, with people imported by CSV. If you want directory sync as your import path, or you'll add timesheets and overtime soon, start on Professional. The PTO tracking guide for small business covers what that looks like in practice.
• Add your people, set policies, enter balances, and check the calendar populates. That's the under-30-minute core.

Spreadsheets are where leave tracking starts, not where it should stay once a team starts moving fast. When you're ready, you can start a trial (it's a 7-day trial and asks for a card), add your roster, and have a working system before lunch. For the wider picture of where leave fits alongside scheduling, time tracking, and the rest, read the all-in-one HR software guide for a growing business.