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DownloadGuidesPDF · EN8 pages

Short guide: Data manipulation

One amount changed, and nobody notices? Now PaperOffice checks what lies beneath the page. Amounts, dates and bank details can be changed in a PDF without leaving a visible mark on the page.

This guide is available in 21 languages; on this page you download the English version. Free, no registration.

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What's inside

  1. The problem
  2. The way with PaperOffice
  3. In the app
  4. An example
  5. Checklist
  6. Frequently asked questions
  7. How to start

Who it is for

For accounts payable, purchasing and audit.

Key facts

  • Check the file structure
  • Text layer against page image
  • Content in context
  • Hold until released
  • Keep the evidence
Format
PDF
pages
8
Language
English
Last updated
10/2026

Questions and answers

Frequently asked questions about this download

Does the check detect every manipulation?

It finds the traces that typical edits leave behind: covered or hidden text, differences between text layer and page, embedded files and saved versions. These produce a risk score and findings, and a person decides.

What does the risk score tell me?

It sums up the number and severity of findings on a scale from 0 to 100. This leads to an assessment in four levels, from “No anomaly” to “Critical”.

Do we need templates for each supplier?

The structure check works with any PDF, without templates. A profile such as Invoice, Bank statement or Payslip adds further checks for the document type from Premium.

What about scans and photos?

Trust Agent checks PDF files. AI-DMS reads scans and photos with AI-OCR, and with Ultra the AI audit checks their content, for example for mismatched templates, pasted areas and contradictions.

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