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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. You do not have to be a licensed user of our product.

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 10 topics

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Announcements 10 topics

Contains topics of interest that relate to support forums, including *** RULES FOR FORUM POSTS ***.
Re: awdadwadawd
by support
26 Feb 2025 17:04

Discussions 2090 topics

Registered users may post here, the discussion are publicly viewable. Use this category to obtain technical support.
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Please post your suggestions and wishes here, for all our products.
Re: Problem Y2038
by support
05 Apr 2025 10:27

OPC Wizard 2 topics

Provide support for the OPC Wizard (rapid OPC UA server development).
Re: Trial License needed
by support
05 Feb 2025 05:39

Tools 17 topics

Tool applications that ship with our products or separately.

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.

PicoOPC 3 topics

Provides support for PicoOPC minimalistic OPC library.
Provides support for QuickOPC-Classic in .NET-based tools. This category is meant for OPC "Classic" (COM/DCOM based) specifications - currently, OPC-DA and OPC-A&E are supported.
Provides support for QuickOPC-Classic in COM-based tools. This category is meant for OPC "Classic" (COM/DCOM based) specifications - currently, OPC-DA and OPC-A&E are supported.
Re: License stopped working
by support
30 Jun 2025 16:26

QuickOPC-UA in .NET 573 topics

Provides support for QuickOPC-UA (for OPC Unified Architecture) in .NET-based tools.

QuickOPC-UA in COM 207 topics

Provides support for QuickOPC-UA (for OPC Unified Architecture) in COM-based tools.
OPC client and subscriber development in Python with QuickOPC toolkit.

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