Microsoft FolderShare file
File type: Various data file
Files with the foldershareoverlayadded file extension are internal files used by Microsoft FolderShare for Windows. They support the program's file-sharing and synchronization features.
File type category:
Various data file
Date updated: October 4, 2026
Record marked as obsolete and not updated for a long time.
The foldershareoverlayadded file extension is associated with Microsoft FolderShare, a cloud service and software for Microsoft Windows used to share and synchronize data.
The foldershareoverlayadded file stores some kind of internal data used by Microsoft FolderShare rather than the contents of a shared document. The format is obsolete.
This file is not intended to be opened as a document. It was used internally by Microsoft FolderShare for Windows and may have been handled automatically by the software.
To access shared content, use the original shared files rather than this internal file.
The foldershareoverlayadded file is an internal FolderShare file with no useful conversion or export format.
To preserve shared data, copy or export the original shared files instead of attempting to convert this file.
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