An Adobe Photoshop tips subscriber writes:

"I recently installed Adobe Illustrator 9. I routinely create illustrations in Illustrator and open them in Adobe Photoshop for final touches. However, when I attempt to open an Illustrator 9.0 file in Photoshop 5.5, I receive the following error: Could not open the document because the parser module cannot parse the file Is this a bug in Photoshop or Illustrator?"

Neither. It just happens that Photoshop 5.5 doesn't know how to read Illustrator 9.0 files. This problem has several solutions. All of them center around saving the file in a previous version:

• Open the file in Illustrator. Export the file from Illustrator in Photoshop 5 (PSD) format and then open it in Photoshop.
• Open the file in Illustrator. Save the file as an Acrobat PDF. At this point, open the Acrobat PDF file in Photoshop.
• Open the file in Illustrator, and then save the file in a previous Illustrator file format. Finally, open the file in Photoshop.