---
title: PDF Mapping | Under Knowledge Base
description: Map customer data to a PDF from your previously created custom applications.
---

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1. [Under Knowledge Base](https://knowledge.under.io/support)
2. [PDF Mapping](https://knowledge.under.io/support/pdf-mapping)

# PDF Mapping

 Map customer data to a PDF from your previously created custom applications.

## PDF Mapping

- [How do I create a new PDF?](https://knowledge.under.io/support/how-do-i-create-a-new-pdf)
- [How do I delete a PDF?](https://knowledge.under.io/support/how-do-i-delete-a-pdf)
- [How do I copy/clone a PDF?](https://knowledge.under.io/support/how-do-i-clone-a-pdf)
- [How do I replace a version of a PDF?](https://knowledge.under.io/support/how-do-i-replace-a-version-of-a-pdf)
- [How do I preview a PDF before opening the PDF editor?](https://knowledge.under.io/support/how-do-i-preview-a-pdf-before-opening-the-pdf-editor)

## PDF Editor

- [How do I add a custom field to a PDF?](https://knowledge.under.io/support/how-do-i-add-a-custom-field-to-a-pdf)
- [How do I add a field from the Under dictionary?](https://knowledge.under.io/support/how-do-i-add-a-field-from-the-under-dictionary)
- [How do I add a field from my company dictionary?](https://knowledge.under.io/support/how-do-i-add-a-field-from-my-company-dictionary)
- [How do I add a signature field to the PDF?](https://knowledge.under.io/support/how-do-i-add-a-signature-field-to)
- [How do I add an internal signature to the PDF?](https://knowledge.under.io/support/how-do-i-add-an-internal-signature-to-the-pdf)
- [How do I add a signed date field to the PDF?](https://knowledge.under.io/support/how-do-i-add-a-signed-date-field-to-the-pdf)
- [How do I add a replica of a field that is already on the PDF?](https://knowledge.under.io/support/how-do-i-add-a-replica-of-a-field-that-is-already-on-the-pdf)
- [How do I add a calculation field to the PDF?](https://knowledge.under.io/support/how-do-i-add-a-calculation-field-to-the-pdf)
- [How do I change a field's style and formatting?](https://knowledge.under.io/support/how-do-i-change-a-fields-style-and-formatting)
- [How do I make a field un-editable?](https://knowledge.under.io/support/how-do-i-make-a-field-un-editable)
- [How do I delete a field from a PDF?](https://knowledge.under.io/support/how-do-i-detele-a-field-from-a-pdf)
- [How do I select multiple fields on the PDF at once?](https://knowledge.under.io/support/how-do-i-select-multiple-fields-on-the-pdf-at-once)
- [How do I delete multiple fields on the PDF at once?](https://knowledge.under.io/support/how-do-i-delete-multiple-fields-on-the-pdf-at-once)
- [How do I pre-fill values on fields on the PDF?](https://knowledge.under.io/support/how-do-i-pre-fill-values-on-fields-on-the-pdf)

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## Adobe Best Practices

- [How do I prepare a PDF before uploading it to Under?](https://knowledge.under.io/support/how-do-i-prepare-a-pdf-before-uploading-it-to-under)
- [How do I un-secure a locked PDF?](https://knowledge.under.io/support/how-do-i-un-secure-a-locked-pdf)
- [How do I flatten a PDF prior to uploading it to Under?](https://knowledge.under.io/support/how-do-i-flatten-a-pdf-prior-to-uploading-it-to-under)

- [Common Use Cases](https://knowledge.under.io/support/common-use-cases)
- [Applications](https://knowledge.under.io/support/applications#main-content)

    - [Applications](https://knowledge.under.io/support/applications#applications)
    - [Application Editor - Settings](https://knowledge.under.io/support/applications#application-editor-settings)
    - [Application Editor - Fields](https://knowledge.under.io/support/applications#application-editor-fields)
    - [Application Editor - Organization](https://knowledge.under.io/support/applications#application-editor-organization)
    - [Application Editor - Advanced](https://knowledge.under.io/support/applications#application-editor-advanced)
- [Customers](https://knowledge.under.io/support/customers#main-content)

    - [Customers](https://knowledge.under.io/support/customers#customers)
    - [Customer Record - Data & Docs](https://knowledge.under.io/support/customers#customer-record-data-docs)
    - [Customer Record - PDF Authoring](https://knowledge.under.io/support/customers#customer-record-pdf-authoring)
    - [Customer Record - Integrations](https://knowledge.under.io/support/customers#customer-record-integrations)
- [Integrations](https://knowledge.under.io/support/integrations#main-content)

    - [Identity Verification Integrations](https://knowledge.under.io/support/integrations#identity-verification-integrations)
    - [CRM Integrations](https://knowledge.under.io/support/integrations#crm-integrations)
- [PDF Mapping](https://knowledge.under.io/support/pdf-mapping#main-content)

    - [PDF Mapping](https://knowledge.under.io/support/pdf-mapping#pdf-mapping)
    - [PDF Editor](https://knowledge.under.io/support/pdf-mapping#pdf-editor)
    - [Adobe Best Practices](https://knowledge.under.io/support/pdf-mapping#adobe-best-practices)
- [User Settings](https://knowledge.under.io/support/user-settings#main-content)

    - [Profile](https://knowledge.under.io/support/user-settings#profile)
    - [Users](https://knowledge.under.io/support/user-settings#users)
    - [Teams](https://knowledge.under.io/support/user-settings#teams)
    - [Permissions](https://knowledge.under.io/support/user-settings#permissions)

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