A dia file extension is related to the Microsoft SharePoint Server 2007. A dia file stores temporary data.

There are 4 other file types using
the DIA file extension!

empty icon.dia - Computer Support Corporation diagraph graphics

empty icon.dia - DIA drawing

empty icon.dia - Do It Again macro script file

empty icon.dia - Psion Organiser diary data

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DIA file extension - Microsoft SharePoint Server 2007 temporary data

What is dia file? How to open dia files?

File type specification:

Temporary file type icon Temporary file type

dia file icon: dia filetype icon

The dia file extension is associated with Microsoft SharePoint Server 2007.

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


This dia file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open dia 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:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .dia file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

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

List of recommended software applications associated to the .dia 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 dia file, edit dia file, convert dia file, view dia file, play dia file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with dia file - Microsoft SharePoint Server 2007 temporary data

Click on the software link for more information about Microsoft SharePoint Server. Microsoft SharePoint Server uses dia 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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