Bulk "Check in" of Checked Out Documents & Option to by-pass Check out Documents while Uploading.

Bulk "Check in" of Checked Out Documents 

Go to Site Actions >> Site Settings

Under Site Administration, click on “Content and Structure”

Select “Checked Out To Me” as View.

Select all the files you need to check in.

From Actions menu, select ‘Check In’

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Option to by-pass Check out Documents while Uploading.

Go to Settings >> Document Library Settings.

Under General Settings, Click on Versioning Settings

The Below Option should be “No”, if ‘Yes’, change it to “No” and click on OK.