File Input/Output Constants

Office 2013 and later
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These constants are only available when your project has an explicit reference to the appropriate type library containing these constant definitions.

Constant

Value

Description

ForReading

1

Open a file for reading only. You can't write to this file.

ForWriting

2

Open a file for writing. If a file with the same name exists, its previous contents are overwritten.

ForAppending

8

Open a file and write to the end of the file.

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