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# Attached files table
# Attached files
The attached files data table is used to manage [attachments](ay-start-form-attachments.md) known to AyaNova that Users have placed on objects.
The attached files form is used to manage attachments that users have [attached to objects](ay-start-form-attachments.md).
## Authorization Roles required
This form is available to User's with the following [roles](ay-biz-admin-roles.md):
This form is available to user's with the following [roles](ay-biz-admin-roles.md):
Full access
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## How attachments are stored
When a User uploads an attachment using the [attachments control](ay-start-form-attachments.md), AyaNova first creates a unique digital signature of the file and then stores it on disk in the attachments folder specified by the [AYANOVA_ATTACHMENT_FILES_PATH](ops-config-folder-user-files.md) server configuration setting.
When a user uploads an attachment using the [attachments control](ay-start-form-attachments.md), AyaNova first creates a unique digital signature of the file and then stores it in the file system (not the database) in a sub-folder under the attachments folder specified by the [AYANOVA_ATTACHMENT_FILES_PATH](ops-config-folder-user-files.md) server configuration setting.
The files are _not_ stored under their original name but rather re-named according to their digital signature. The special folder structure in attachments and the renaming are required for three reasons:
The files are _not_ stored under their original name but rather re-named according to their digital signature. The special folder structure in attachments and the renaming are used for three reasons:
1. ensure that there are never more files in a single folder than are permitted under the operating system requirements
2. save disk space by ensuring that identical files are only stored once

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anchor_linenums: true
- pymdownx.superfences
- toc:
permalink: true
permalink: true
nav:
- Home: 'index.md'