21st Century Accounting

A multi-module management system designed by Hilbert Software.

About 21st Century Accounting

21st Century Accounting doesn’t simply ýwork with Windowsý and it’s not just an updated DOS program. Instead, it’s specifically designed to take advantage of every part of the Windows environment. Its open-ended architecture offers easy add-on compatibility with third-party software packages. You expect your accounting software to take you a decade or more into the future. Our commitment is to provide the software that will help your business keep pace with the phenomenal changes in store for all of us in the 21st Century.

Ease of Use

  • Customization
    • Modify C21 default financial reports and financial report templates
    • Change field labels in data entry windows, hide or protect fields, and define the order of movement through fields
    • Add ýsticky notesý with tips or instructions for data entry clerks
    • Configure your own tracking number formats for invoices, deposits, journal entries, etc.
  • Drill Down from Data Entry Windows and Report Previews
    • Drill down to transaction details with just a few keystrokes
  • Automatic Lookup
    • Evoke selector lists at multiple-choice fields
  • Data Conversion
    • Do complete data conversion from BPI Accounting automatically
  • Tools
    • Search lists with the ýFindý function
    • Add customers, vendors, and attributes on the fly
    • Pop up the calculator with tape display; copy and paste from and to application fields
    • Back up easily, frequently, compactly for quick data recovery back to any point in time
  • Fast Data Entry
    • No need to use mouse, Tab, or Alt key for data entry
  • On-line Helpers
    • Sample companies, sample chart of accounts, and complete on-line help


  • Built-in support for dates in the 21st century and beyond
  • Custom segmented GL account numbers
  • Editable account numbers at any time
  • Period locking to prevent accidental data entry
  • Unlimited number of open periods
  • Period closing not required; detail always available for reports
  • Batch processing; multiple open batches in all data entry modules
  • Full set of financial statements including Statement of Cash Flow
  • Custom financial reports
  • Custom journals
  • Automatic standard entries and automatic reversing journal entries
  • Subsidiary ledgers
  • GAAP compliance
  • Automatic double-entry accounting

Accounts Payable/Accounts Receivable

  • Multiple sets of control accounts
  • Debit/credit memos
  • Single entry point for all bank deposits
  • Canadian GST support
  • Bank reconciliation
  • Multiple check and invoice formats
  • Automatic entries
  • Receivables finance charges calculation


  • U.S. and Canadian payroll
  • After the fact and regular payroll processing
  • Payroll tax table support
  • W2s and 1099s
  • 941 support
  • T4s and ROEs
  • Time sheet import

Product Overview

Industry Focus

Ratio of reviewers by sector.

Professional Services
Finance & Insurance

User Reviews of 21st Century Accounting

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