Files with csi extension can be usually found as temporary files generated by Microsoft SharePoint Server 2007.

There are 5 other file types using
the CSI file extension!

empty icon.csi - CARE-S InfoWorks water quality data

empty icon.csi - Campell Scientific EdLog program data

empty icon.csi - ContentServ CS EMMS Suite include data

empty icon.csi - Corel script

empty icon.csi - Challan Status Inquiry

CSI file extension - Microsoft SharePoint Server temporary data

What is csi file? How to open csi files?

File type specification:

Temporary file type icon Temporary file type

csi file icon: csi filetype icon

File extension csi is associated with Microsoft SharePoint Server 2007.

These csi files are temporary files created during the backup process. They serve no purpose and can be deleted.

Examples:

  • 0001000F.00000000.csi
  • 00010012.00000000.csi
  • 00010005.00000000.csi
  • 00010004.00000000.csi
  • 00010003.00000000.csi
  • 00010002.00000000.csi
  • 00010001.00000000.csi

Updated: November 8, 2023

The default software associated to open csi file:

Microsoft SharePoint Server picture or screenshot

Microsoft Corporation logoMicrosoft SharePoint Server  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft SharePoint Server is server side application for SharePoint services. SharePoint Server is an integrated suite of server capabilities that can help improve organizational effectiveness by providing comprehensive content management and enterprise search, accelerating shared business processes, and facilitating information-sharing across boundaries for better business insight.

Help how to open:

You cannot access this type of .csi files manually. At best, the program automatically uses the resources from these files during the backup process.

How to convert:

Temporary files are typically not meant to be converted to anything else.

Related links:

Temporary files created during backup, import/export, and upgrade (Office SharePoint Server)

List of recommended software applications associated to the .csi file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open csi file, edit csi file, convert csi file, view csi file, play csi file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with csi file - Microsoft SharePoint Server temporary data

Click on the software link for more information about Microsoft SharePoint Server. Microsoft SharePoint Server uses csi file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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