> For the complete documentation index, see [llms.txt](https://help.impact.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.impact.com/brand/what-would-you-like-to-learn-about/platform-features/submit-and-modify-conversion-data/batch-file-upload-name-requirements.md).

# Batch File Upload Name Requirements

When uploading files to impact.com (e.g., ad content, FTP files, etc.), you'll need to ensure they're named correctly in order for our system to accept and process them.

#### File name requirements

Files cannot have a period (`.`) in the name (e.g., `My.Bulk.Upload.1.19.38.xlsx`). Use a hyphen (`-`) or underscore (`_`) between words instead (e.g., `My_Bulk_Upload_1_19_38.xlsx`).

#### Blocked file extensions

These file extensions are blocked by impact.com:

* `.php5`
* `.pht`
* `.phtml`
* `.shtml`
* `.asa`
* `.cer`
* `.asax`
* `.swf`
* `.xap`
* `.exe`
* `.zip`
* `.rar`
* `.iso`
* `.tar`


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