What could be the reason behind the Word file corruption caused by PHPWord export?

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There can be several reasons behind Word file corruption caused by PHPWord export. Some of the common reasons are:

1. Malfunctioning of PHPWord library: If the PHPWord library is not working properly or there are bugs in the code, it can cause corruption of Word files during export.

2. Incompatibility with the Word version: Sometimes, the exported file is not compatible with the version of Microsoft Word being used, causing corruption.

3. Inadequate permissions: If the user who is exporting the file does not have the necessary permissions, it can cause errors during the export process, leading to corruption.

4. Improper handling of special characters: If the PHPWord library does not handle special characters properly, it can cause corruption of Word files during export.

5. File size limitations: If the Word file being exported is too large, it can cause issues during the export process, leading to corruption.

6. Corrupt template file: If the template file being used for the Word document is corrupt, it can cause errors during the export process and lead to corruption of the final file.