If you actually need to have an inside bleed try this method.
Gutter bleed indesign.
Type a bleed value in any units.
Peter s right the best way to handle wire o is build the bleed into the document from the start.
I don t think it s possible.
See create a new document to learn more about customizing your new document select the print tab at the top.
Upon launching indesign click create new.
For example if you are printing a postcard multiple copies of the postcard will fit on a single press sheet.
You ll have to repeat the image on each page and offset for the bleeds.
If you ve self published or are researching your self publishing options there s a good chance you ve encountered terms like bleed full bleed and gutter margins.
You can add a bleed later by going to file document setup but it can be fiddly as indesign will only apply your revised settings to the pages you currently have selected.
If you have crossovers you ll need to duplicate the image frame and offset left and right.
If you manually add an inside bleed you have to watchout for crossovers you ll no longer be able cross a single image across the gutter without losing the part of the image that crosses over.
The gutter is the space between each copy of your postcard on the press sheet.
Also and especially on master pages.
Unless you are printing spiral bound or single pages it is unlikely that your file needs to bleed into the gutter.
The best place to start is right at the beginning of the process in the new document window.
In most cases you can set inside bleed to 0.
Due to a bug with indesign exposing a rounding error make sure that elements touching the spine are a bit off the spine.
Gutter is the term that refers to the spacing between the copies on the press sheet which is important to allow for bleeds and trimming.
In preset details choose your preferred measurement units.
Scroll and then click bleed and slug to expand the panel.
In the book printing world bleed in particular is an important concept to understand.
Make sure you do not have any elements that go over the spine.