File | Open

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File | Open

File > Open


File menu > Open

File toolbar > Open

See also File toolbar > Import Library Files


You can open these file-types:

btn_delkeywordMEC [Camlinks]

Why are there so many CXL and MTD files?

If you explore to your model files, you will see many file-types. Why so many files?

They are different backup files.


When you open a model the CXL and MTD files exist. The:

In general:

1.CXL.n and MTD.n are copied to CXL.n+1 and MTD.n+1

Thus if:

1.CXL.2 and MTD.2 exist already, they are copied to CXL.3 and MTD.3

2.CXL.1 and MTD.1 are copied to CXL.2 and MTD.2

3.CXL and MTD are copied to CXL.1 and MTD.1

4.A copy of CXL and MTD are saved to RAM


After every # commands:

1.The copy of CXL and MTD in RAM are saved to ~CXL and ~MTD on disk

2.A new copy of CXL and MTD are saved to RAM

WARNING : You overwrite the original model each Auto-Save

See Application Settings > General tab > File Options to edit:

Number-of-Back-up copies

Number-of-Commands between each Auto-Save

Do you want to use Auto-Save?