What's the MC1 File?

Writer:   |   Edited: November 26, 2018

Microsoft Silver

MC1 File Summary

File Extension MC1 has only one distinct file type (MedCalc Data File format) and is mostly associated with a single related software program from MedCalc Software (MedCalc). Generally, these files are considered Data Files.

Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. The main MC1 file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

To learn more about MC1 files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening MC1 files.

Low
Universality
2922
Standing

/ 11690

Active

File Status

26

November

2018

Edited

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Sorts of MC1 Files


Main MC1 Affiliation

.MC1
File Format:.mc1
File Type:MedCalc Data File

MedCalc Data File contains data values that can be viewed and analyzed using MedCalc software.

Developer: MedCalc Software
File Category:Data Files
Registry Key: HKEY_CLASSES_ROOT\.mc1

Software Programs That Open The MedCalc Data File:


MedCalc by MedCalc Software

Windows

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MC1 Usage


Top Devices

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Sources of MC1 Problems


Common Problems Opening MC1 Files

MedCalc Isn't There

You attempt to load your MC1 file and get an error such as "%%os%% Can't Open The MC1 File Extension". If so, it typically means that you don't have MedCalc installed for %%os%%. This will prevent you from double-clicking to open the MC1 file because the OS doesn’t know how to handle it.


Tip: If you know of another program that can open your MC1 file, you can try opening it by selecting the application from the programs listed.


MedCalc is Out-of-Date

It is possible that your version of MedCalc isn't able to open your MedCalc Data File file due to incompatibility. If you've got the wrong version of MedCalc installed, you'll need to install the correct version. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: If you right-click on your MC1 file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Summary: Not having the right MedCalc version on your computer can cause problems opening MC1 files.


More Causes of Problems Opening MC1s

Although you might already have MedCalc or another MC1-associated software installed on your computer, you can still encounter problems opening MedCalc Data File files. Other MC1 opening errors can be created by other system problems inside of %%os%%. Additional factors include:

  • Invalid MC1 file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Corruption of the MC1 file description inside the Registry
  • Incomplete or bad installation of a software application associated with the MC1 format
  • Your MC1 file is corrupted (issues with your MedCalc Data File file itself)
  • Your MC1 is infected with malware
  • Device drivers of the hardware associated with your MC1 file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the MedCalc Data File format

Poll: How often do you encounter a file extension that you don't recognize?








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