# Share Data Between Drawings and Applications
[GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md)
[Reference Other Drawing Files](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/Reference%20Other%20Drawing%20Files.md)
An entire drawing can be attached to the current drawing as a referenced drawing (xref).
[Link and Embed Data (OLE)](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/Link%20and%20Embed%20Data%20(OLE).md)
You can copy or move information from one application to another using the Microsoft Windows OLE feature. You can edit information of OLE in the original application.
[DWF Underlay](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/DWF%20Underlay.md)
[PDF Underlay](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/PDF%20Underlay%20Command.md)
[PDF Import](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/PDF%20Import.md)
[](Help%20System/GSTARCAD/2022/User%20Guide/Share%20Data%20Between%20Drawings%20and%20Applications/Import%20Other%20File%20Formats.md)
You can work with many types of files which are created with other applications or in earlier release of the program.