Tech fixes · Spreadsheets, Data & AI

# Excel Slow, Freezing or Crashing? How to Fix a Big Spreadsheet

Large spreadsheets usually slow down from whole-column formulas, volatile functions, piles of formatting, links to other files and add-ins. Open Excel in Safe Mode to rule out add-ins, then trim the used range, simplify formulas and convert data to Excel tables.

Also searched as: Excel not responding · Excel file too large · Excel keeps crashing · spreadsheet slow to calculate

- **Starting price:** From $400

- **Where:** Remote, anywhere in the U.S.

- **Quote:** Fixed price before work starts

## Try this first

- Start Excel in Safe Mode to test whether an add-in is the problem
- Save a copy before changing anything
- Delete unused rows, columns and formatting around the data
- Replace volatile and whole-column formulas
- Clear old conditional formatting rules
- Use Open and Repair if the file won’t open

Common causes

- Formulas that reference entire columns
- Volatile functions like INDIRECT, OFFSET and NOW
- Thousands of conditional formatting rules
- Links to other workbooks
- Add-ins, or 32-bit Excel running out of memory

## When it’s more than a quick fix

If the workbook runs part of your business, several people edit it daily or it has outgrown Excel, move the data into a real database or app.

### How we fix it remotely

We speed up and repair the workbook, automate the repetitive parts and, when it has outgrown Excel, turn it into a simple app.

### In-depth guides

- [Your Old Access Database or Spreadsheet System Is Breaking: How to Replace It Without Losing Data](https://wisconsintechshop.com/guides/replace-old-access-database/)

Get it fixed

## How a remote fix works

1. **Tell us what’s happening:** Two minutes with the form on this page. No account needed.
2. **Get a fixed price:** A personal reply within one business day, with the price agreed before any work starts.
3. **We fix it remotely:** You approve access, follow progress and pay in your private client portal.

## Related services

- [Excel Automation: Macros, Power Query & Office Scripts](https://wisconsintechshop.com/integrations/excel-automation/): Stop rebuilding the same Excel reports by hand. We automate imports, cleanup and reports with Power Query, macros and Office Scripts, or move the work into a real database when it outgrows Excel. (From $400)
- [Replace Spreadsheets with a Custom Web App](https://wisconsintechshop.com/custom-software/replace-spreadsheets/): Turn the spreadsheets your business runs on into a secure web app with real permissions, history, forms and reports, without losing what works. (From $2,000)
- [Remote Tech Support for Home & Home Office](https://wisconsintechshop.com/computer-repair/remote-tech-support/): Fast help without a visit: with your permission, we connect securely to your computer and fix software, email, printing and account problems while you watch. (From $100)

## Questions

### How do I start Excel in Safe Mode?

Hold Ctrl while opening Excel, or type “excel /safe” in the Windows Run box.

### Is my spreadsheet too big for Excel?

If it takes minutes to open or calculate, or several people need it at once, it has probably outgrown Excel.

### Can you fix this remotely?

We speed up and repair the workbook, automate the repetitive parts and, when it has outgrown Excel, turn it into a simple app.

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[All tech fixes](https://wisconsintechshop.com/fix/)

## Want us to just fix it?

Tell us what’s happening. Most problems like this are fixed remotely, often the same day, and every request gets a personal reply within one business day.

- Big projects and small ones are all welcome
- Fixed-price quotes, no surprise invoices
- You own your code, data and accounts
- A client portal to track progress, invoices and payments
- Rooted in Wisconsin, serving businesses nationwide

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Contact: hello@wisconsintechshop.com · https://wisconsintechshop.com/contact/