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Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions or issues. You do not have to own a commercial license in order to use the OPC Labs support. Our team is actively monitoring the forums, and provides replies as soon as possible.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible.

Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

General 2 topics

This category is view-only. We use it to convey information to our user base and broader community.
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Announcements 2 topics

Contains topics of interest that relate to support forums, including *** RULES FOR FORUM POSTS ***.
Online Forums re-organized
by support
27 Dec 2025 09:28

Products 2177 topics

Registered users may post here, the discussion are publicly viewable. Use this category to obtain technical support.
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QuickOPC 2135 topics

Support for client and subscriber development using QuickOPC.
Re: OPC AE CustomAttributes
by support
19 Jan 2026 09:30

Excel Connector 15 topics

With the Excel Connector, you can set up a communication link between Excel and any OPC server. It is possible to subscribe to and view real-time data, and also write the data back.

OPC Classic, OPC XML and OPC UA servers are supported. No programming, macros or add-ins are necessary.

OPC Wizard 6 topics

Provide support for the OPC Wizard (rapid OPC UA server development).
Develop Sparkplug host applications and edge nodes.

Sparkplug is a trademark of Eclipse Foundation, Inc.
No topics
Tool applications that ship with our products or separately. Connectivity Explorer, OPC UA Demo Publisher, OpcCmd utility, SparkplugCmd Utility, etc.

PicoOPC 3 topics

Provides support for PicoOPC minimalistic OPC library.

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