BMC File Extension

Bitmap Cache Format

File Type bmc
Developer Microsoft
Popularity
4.5 (38 votes)
Application Microsoft Remote Desktop Connection
Category Temporary Files
Format Binary

What is a BMC file?

The BMC extension is related to Bitmap Cache Format and is classified in the Temporary Files category, which contains 241 files.

Microsoft, the developer of the Bitmap Cache Format (BMC), has released file format and 242 programs designed to handle them.

BMC file support extends to various operating systems, including Windows. There are 2 programs available to create a BMC file, including popular tools like Microsoft Remote Desktop Connection and Microsoft Windows.

Programs that support BMC files

Windows ²

Windows

How to open a BMC file?

If you are having trouble opening a BMC file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Thanks to their popularity, Microsoft Remote Desktop Connection and Microsoft Windows are often the go-to programs for managing BMC files. If you want the most recent release of Microsoft Remote Desktop Connection, head over to the Microsoft site and download the version designed to run on all platforms.

After completing the installation, BMC files should be recognized by the system and linked to Microsoft Remote Desktop Connection.

Set Microsoft Remote Desktop Connection as your default BMC viewer

Set default app to open files on Mac

Right-click or Control + left-click on the desired BMC file to open a menu of available actions;
Choose "Open in Application" and click "Other";
In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
Select "All Programs" in this menu, and then search for Microsoft Remote Desktop Connection. Check the box next to "Always open in app" to make sure it’s the default option.

Change a default app in Windows

To get started, right-click your BMC file, then choose "Open With" and select "Choose Another Application" from the context menu;
From the list of applications in the pop-up window, find and select Microsoft Remote Desktop Connection as your desired application;
Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening BMC files.

Solving Common BMC File Challenges

While BMC files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.

What Causes Microsoft Remote Desktop Connection to Crash Frequently?

Insufficient software updates are a likely cause of Microsoft Remote Desktop Connection crashes. Be sure to install the latest updates for Microsoft products.

A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.

How can I restore a damaged BMC file?

Start a data recovery program and open the damaged BMC file. Then, choose the "Repair" option from the menu. Allow the recovery process to complete, which will automatically repair the damaged temporary files.

How can I determine if my BMC file is damaged?

Characteristics of corrupted BMC temporary files can include:

Microsoft Remote Desktop Connection or other programs stop responding or crash when trying to handle the file;
Error notifications appear during file manipulation;
When opening the file, errors occur or the inability to access its contents;
Unexplained BMC file size inflation;
Editing the archive in Microsoft Remote Desktop Connection is hampered by poor overall performance;

How to edit a BMC file?

To modify BMC files, you need to install special software that makes it possible to open and edit temporary files. Online BMC editors are more restricted compared to software designed for Bitmap Cache Format.

Best BMC Editor Software in 2026

Taking the above factors into account, we have selected a list of BMC editors currently available.

BMC Editor Software	Developer	Platforms	Overall Rating
Microsoft Remote Desktop Connection	Microsoft	Windows	4.8 out of 5 (40 reviews)

Convert files to and from BMC

If working with a BMC file is challenging, one solution is to convert it to formats like PES, HUS, JEF, XXX or other supported formats.

After converting a BMC file, some capabilities may be limited, but you can often convert it back to the original format.