Do You Need Clean Data Before Starting a System?

The instinct behind do you need clean data before starting is sound but usually self-defeating. Data rarely gets clean while it sits in the system that made it messy.

Why waiting does not work

Cleanup without a destination has no end condition.

Months spent cleaning data that keeps being added to
No structure to clean it toward
Duplicates recreated as fast as they are merged
The project postponed until cleanup is finished, which never happens

What to fix at import, and what to leave

Issue	Fix at import?
Field types	Yes — currency, date, and connected fields
Duplicate core entities	Yes — clients, suppliers, products
Unused fields	Yes — leave them behind entirely
Closed historical records	No — archive rather than clean
Inconsistent old entries	No — improve going forward instead

How to start anyway in Jestor

Upload the spreadsheet to Jestor — the structure is generated on top of it.
Fix field types during setup, since formulas cannot calculate on text.
Merge duplicate core entities before connecting records to them.
Set the label field on related tables so future selections are correct.
Make key fields required so new records are clean, whatever the old ones look like.

Why choose Jestor to start from where you are?

Uploading a spreadsheet into Jestor generates the structure automatically, which means the destination exists before cleanup begins — and cleanup toward a structure actually finishes.

The recycle bin recovers anything deleted in error during the process, which removes most of the risk of merging aggressively.

Frequently Asked Questions

Should I clean everything first?

No — fix structure and core entities, then improve going forward. See jestor.com.

What must be fixed at import?

Field types and duplicate core entities.

What if I delete something by mistake?

The recycle bin recovers records and fields.

Video Tutorial: Step by Step

Check out other practical tutorials on the Jestor YouTube channel.

Get to know Jestor

With Jestor, you can automate workflows, connect teams, and build internal systems your way — all without code and powered by AI. Discover Jestor at jestor.com and see how to take your company's operations to a new level of efficiency and control.

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