Working with an unresponsive colleague can be frustrating, especially if it’s affecting your ability to complete tasks or meet deadlines. The first step is to give them the benefit of the doubt—everyone gets busy, and they might not be ignoring you intentionally. Start by sending a polite follow-up message, reminding them of any important deadlines or action items. Keep your tone professional and avoid sounding accusatory. If there’s still no response after a reasonable amount of time, try reaching out through different channels, such as a phone call or an in-person conversation if possible. Sometimes, people overlook emails or messages but respond faster to other forms of communication. Be direct but courteous in expressing the urgency of the situation. If the issue persists and their lack of responsiveness is significantly impacting your work, it may be time to escalate the issue to a manager or HR. However, this should be done as a last resort, after you’ve exhausted all other options. Throughout the process, maintain a respectful and professional tone to avoid unnecessary conflict.