Varieties of IDT Files

Chief IDT Description

.IDT

File Name:	.idt
Category:	Windows Installer Database Text Archive File

IDT file is a text file created by exporting a table from a Windows Installer database. It contains the ASCII text representation of the relational data stored in the table.

Company:	Microsoft Corporation
File Category:	Developer Files
Folder:	HKEY_CLASSES_ROOT\.idt

Software Programs That Open The Windows Installer Database Text Archive File:

Windows Installer by Microsoft Corporation

Windows

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IDT Troubleshooting

Typical IDT Opening Challenges

Windows Installer Disappeared

You attempt to load your IDT file and get an error such as "%%os%% Can't Open The IDT File Extension". If this is the case, it's usually due to the fact that you do not have Windows Installer for %%os%% installed on your computer. This will prevent you from double-clicking to open the IDT file because the OS doesn’t know how to handle it.

Tip: When you have another program installed that you know will open your IDT, you can select it from the other programs listed (see "Show Apps").

Outdated Windows Installer

Your Windows Installer Database Text Archive File file is incompatible with Windows Installer because you might have the wrong version installed. You will need to download a newer version of Windows Installer if you don't have the right version. This problem is predominately due to having a Windows Installer Database Text Archive File file version that was created by a newer version of Windows Installer than what you have installed on your PC.

Tip: If you right-click on your IDT file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.

Regardless, most of the IDT file opening problems relate to not having the right version of Windows Installer installed.

Other IDT File Issues

In the majority of cases, installing the right version of Windows Installer will resolve your issue. Other IDT opening errors can be created by other system problems inside of %%os%%. Additional factors include:

• Windows Registry IDT file paths that are incorrect
• Deletion of the IDT file description from the Registry by mistake
• Defective install of a IDT program, such as Windows Installer
• Your IDT can't be loaded properly (file corruption)
• Your IDT has adversely impacted by malware
• IDT-related hardware has device drivers that obsolete
• Windows cannot load your Windows Installer Database Text Archive File file due to insufficient resources (eg. RAM)