A TIMESTAMP file contains information about edits to a file geodatabase (.GDB file). The .GDB file stores geographic data. TIMESTAMP files should not be changed or deleted. Doing so corrupts the associated geodatabase. TIMESTAMP files are referenced by GIS software which accesses the geospatial database. They are not opened by users.
ESRI mapping software like ArcMap or ArcCatalog creates TIMESTAMP data files. The TIMESTAMP file extension is associated with Timestamp Data Format files compatible with Windows systems. The ArcGIS software manages TIMESTAMP files.
TIMESTAMP is the extension for files used in Windows operating systems. TIMESTAMP files associate with Java programs developed by Oracle Corporation. Applications like ArcGIS also handle TIMESTAMP files. The TIMESTAMP file data saves in a manner typical of Misc Files.
Operating systems use the TIMESTAMP extension to recognize files with TIMESTAMP content. A TIMESTAMP file is a data file created by ESRI mapping software such as ArcMap or ArcCatalog.