3 steps in the interview process:
Step 1 is conducted over the phone by a regional/local HR recruiter. You run over points on your resume--education, work experience (if applicable). I think it's kind of a screening tool to make sure what the candidate matches what's on the resume. This lasted maybe half an hour. After the interview the recruiter asked when I would be available to conduct the second interview. We set it for the next day and later that day there was an email from the recruiter confirming the time.
Step 2 is a lengthier, detailed behavioral interview conducted by a senior recruiter. Be prepared to expect a range of questions pertaining to leadership, teamwork, problem-solving, personal accomplishments, etc. I've heard on occasion there will be a semi-technical question thrown out (either here or at the in-person interview) such as how to debug something. I prepared for that question but was not asked it. With each question there will be a set of probing questions asking you go to more in depth about what you just talked about. This is your moment to shine. Be as specific as you can, especially when it comes to opportunities to demonstrate your leadership, teamwork, and problem-solving abilities. Three days later I received an email informing me I had made it to the third round.
Step 3 is an in-office interview held at your local office (I'm not sure if this is always the case). We started off with a PP presentation detailing the work culture, project staffing process, and benefits of working at Accenture. This is an opportunity to ask insightful, meaningful questions about the firm. I then interviewed one-on-one with two senior managers. Depending on their style and preference, the interview can be conversational and more informal to formal and structured. I got both. Stay on your toes. There most likely will be some resume-related questions asked, as well as similar behavioral type questions that you could have expected in the second round. Be polite, confident, and inquisitive. Ask the interviewers open-end questions about their experience, the firm culture, career development opportunities (but don't ask overly simplistic questions where the answers can be found on the website). It's also good to demonstrate that you know about what is currently happening with the firm (big projects announced in the news, case studies that are available online, etc).