Keep you posted of or on the progress
Dears, could you please let me know which sentence is correct: I will keep you posted of the progress or I will keep you posted on the progress. On the Internet both versions work. Thank you very much in advance.

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I disagree with ustaz abdul.

"I will keep you posted on the progress" is much better.

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I will keep you POSTED ON the progress.

I will keep you INFORMED OF the progress.

These are the collocations you simply have to learn.

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I will keep you posted of the progress

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