WPS XML Add-in Package on Windows FAQ

Last updated:July 15, 2026

Common questions about WPS XML Add-in Package usually involve installation failure, package effects, package conflicts, and certificate prompts.

FAQ

How to fix XML add-in package installation failure in WPS Office?

  1. Check whether the package file format is correct.
  2. Confirm that the file is complete and not damaged.
  3. Select the file again and try adding it one more time.

What should I do if the package does not take effect after I add it?

  1. Confirm that the package is enabled.
  2. Close and reopen WPS Writer.
  3. Open the package list again and check the current status.

What should I do if multiple packages conflict with each other?

  1. Check whether multiple packages define the same namespace.
  2. Temporarily disable or delete the conflicting package.
  3. Keep the package you need and test the result again.

What should I do if I see a security certificate warning during installation?

  1. Check whether the system time on your computer is correct, then sync it again if needed.
  2. If the package is an .xml file, review the related signature content for issues.
  3. Try the installation again after the check; in an enterprise environment, contact your administrator if certificate policies need review.

Glossary

TermDefinition
XML add-in packageA package used to extend XML processing in documents. It can include custom XML schemas, namespaces, and transformation rules.
NamespaceAn XML identifier used to distinguish elements or rules from different definitions and reduce conflicts.
Transformation ruleA rule set that defines how XML content is processed, mapped, or converted.
Package managerThe WPS Writer entry used to add, review, and delete XML add-in packages.