Usage Guide (Local Edition User Manual)

Last updated: December 2025

Introduction

This guide explains how to use MTDify Local Digital Bookkeeping Edition for day-to-day bookkeeping. All data is stored locally on your own machine.


Setting Up Your Business Name

When you first open MTDify, you will be asked to create a business record.

Required details

  • Business name

  • Type (sole trader, self-employed, etc.)

  • Start date

  • Accounting year start

You can edit these details at any time.

 


Adding Income

Navigate to:

Business → Income

Click Add Income and fill in:

  • Date

  • Amount

  • Category

  • Description

  • Supplier or client (optional)

Income is displayed in a sortable list and contributes to dashboards and quarter totals.


Adding Expenses

Navigate to:

Business → Expenses

Click Add Expense and complete:

  • Date

  • Amount

  • Category

  • Description

  • Supplier (optional)

Expenses appear in your ledgers and dashboards immediately.


Categories

MTDify includes a default set of income and expense categories that are HMRC compliant. 


Viewing Dashboards

The dashboard gives you a quick overview:

  • Total income and expenses

  • Profit/loss

  • Quarter breakdowns

  • Category summaries

Everything updates instantly as you add new entries.


Exporting Your Data

You can export:

  • CSV Exports:

    • Export all income to CSV

    • Export all expenses to CSV

    • Export transactions by category

    • Download simplified yearly profit report with:

      • Quarterly breakdown of income/expenses

      • Year-to-date totals

      • Income by category analysis

      • Expenses by category analysis

      • VAT totals

     

    Printable Reports:

    • Income by category (print-friendly format)

    • Expenses by category

    • Combined category totals showing net position

    • Professional formatting for filing or accountant submission

Exports can be used for accountant reports or manual submission to HMRC.


Editing and Deleting Records

Every income and expense item includes:

  • Edit button

  • Delete button

Edits apply immediately. Deleted items are permanently removed from the local database.


Backups

MTDify includes automatic backups. Every time you log in a backup is created. Because all data stays local, you should back up your db.sqlite3 file regularly.

Suggested:

  • Weekly backup

  • Before updating MTDify

  • Before reinstalling your computer

Please read more on Database Backup Tips


Tips for Accurate Records

  • Enter transactions weekly

  • Use clear descriptions

  • Keep receipts

  • Review dashboard monthly

  • Export CSVs before tax deadlines


Troubleshooting

If something isn’t working, see the Troubleshooting Guide.