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If Indexing is enabled, then Photos can be accessed based on their date.
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Tonido App allows sharing of files and folder in the following ways
a) Create a direct link to the file or folder. This link can be sent via email to anyone who needs access to that resource
To share a specific file, select the "Link" button in App bar pane of the file and then select options to distribute the link once the share is created.
To share a specific folder, select the "Share" option in the Charm bar