Mac mini features the Apple T2 Security Chip — second-generation custom Mac silicon designed by Apple to make Mac mini even more secure. The T2 Security Chip consolidates several controllers into one, and includes a Secure Enclave coprocessor that provides the foundation for encrypted storage and secure boot capabilities. Compatible with Excel 98 through Excel 2004 for Mac and Excel 97 through Excel 2003 for Windows. Preserves VBA macro code and Excel 4.0 macro sheets. CSV UTF-8 (Comma delimited) (.csv).Excel 2016 for Mac only. Exports the data on the active sheet to a text file that complies with UTF-8 Unicode encoding standards.
File type | Microsoft Excel 4 For Mac Add-in |
Developer | Microsoft Corporation |
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How to open XLL_ files
If you cannot open the XLL_ file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports XLL_ among those that are installed on your device.
A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the XLL_ file can be found in the table. Now just download and install the appropriate application.
Program(s) that can open the .XLL_ file
Mac OS
Possible problems with the XLL_ format files
The inability to open and operate the XLL_ file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the Microsoft Excel 4 For Mac Add-in file. Below is a list of possible problems.
- Corruption of a XLL_ file which is being opened
- Incorrect links to the XLL_ file in registry entries.
- Accidental deletion of the description of the XLL_ from the Windows registry
- Incomplete installation of an application that supports the XLL_ format
- The XLL_ file which is being opened is infected with an undesirable malware.
- The computer does not have enough hardware resources to cope with the opening of the XLL_ file.
- Drivers of equipment used by the computer to open a XLL_ file are out of date.
If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the XLL_ file should operate with your programs without any problem. If the problem with the XLL_ file has not been solved, it may be due to the fact that in this case there is also another rare problem with the XLL_ file. In this case, the only you can do is to ask for assistance of a professional staff.
Similar extensions
.!c | Graphics Converter Pro |
.#$# | ULead Photoimpact Temporary |
.$ | Visual Basic Symbol |
.$$a | OS/2 |
.$? | TR-DOS ZX Spectrum File In HOBETA Format |
.$b | TR-DOS Basic |
.$d | TR-DOS Data |
.$d$ | OS/2 Planner Data |
How to associate the file with an installed software?
If you want to associate a file with a new program (e.g. my-file.XLL_) you have two ways to do it. The first and the easiest one is to right-click on the selected XLL_ file. From the drop-down menu select 'Choose default program', then click 'Browse' and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the XLL_ file extension to the corresponding software in the Windows Registry.
Is there one way to open unknown files?
Many files contain only simple text data. It is possible that while opening unknown files (e.g. XLL_) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.
Xll Macro
title | description | ms.date | localization_priority |
---|---|---|---|
Extend custom functions with XLL user-defined functions | Enable compatibility with Excel XLL user-defined functions that have equivalent functionality to your custom functions | Normal |
If you have existing Excel XLLs, you can build equivalent custom functions in an Excel add-in to extend your solution features to other platforms such as online or on a Mac. However, Excel add-ins don't have all of the functionality available in XLLs. Depending on the functionality your solution uses, the XLL may provide a better experience than the Excel add-in custom functions in Excel on Windows.
[!NOTE]COM add-in and XLL UDF compatibility is supported by the following platforms, when connected to a Microsoft 365 subscription:
- Excel on the web
- Excel on Windows (version 1904 or later)
- Excel on Mac (version 13.329 or later)
Xll For Macbook Air
To use COM add-in and XLL UDF compatibility within Excel on the web, login by using either your Microsoft 365 subscription or a Microsoft account. If you don't already have a Microsoft 365 subscription, you can a free, 90-day renewable Microsoft 365 subscription by joining the Microsoft 365 developer program.
Specify equivalent XLL in the manifest
To enable compatibility with an existing XLL, identify the equivalent XLL in the manifest of your Excel add-in. Excel will then use the XLL's functions instead of your Excel add-in custom functions when running on Windows.
To set the equivalent XLL for your custom functions, specify the FileName
of the XLL. When the user opens a workbook with functions from the XLL, Excel converts the functions to compatible functions. The workbook then uses the XLL when opened in Excel on Windows, and it will use custom functions from your Excel add-in when opened online or on a Mac.
The following example shows how to specify both a COM add-in and an XLL as equivalent. Often you will specify both. For completeness, this example shows both in context. They are identified by their ProgId
and FileName
respectively. The EquivalentAddins
element must be positioned immediately before the closing VersionOverrides
tag. For more information on COM add-in compatibility, see Make your Excel add-in compatible with an existing COM add-in.
[!NOTE]If an add-in declares its custom functions to be XLL compatible, changing the manifest at a later time could break a user's workbook because it will change the file format.
Custom function behavior for XLL compatible functions
An add-in's XLL functions are converted to XLL compatible custom functions when a spreadsheet is opened and there is an equivalent add-in available. On the next save, the XLL functions are written to the file in a compatible mode so that they work with both the XLL and Excel add-in custom functions (when on other platforms).
The following table compares features across XLL user-defined functions, XLL compatible custom functions, and Excel add-in custom functions.
XLL user-defined function | XLL compatible custom functions | Excel add-in custom function | |
---|---|---|---|
Supported platforms | Windows | Windows, macOS, web browser | Windows, macOS, web browser |
Supported file formats | XLSX, XLSB, XLSM, XLS | XLSX, XLSB, XLSM | XLSX, XLSB, XLSM |
Formula autocomplete | No | Yes | Yes |
Streaming | Possible via xlfRTD and XLL callback. | No | Yes |
Localization of functions | No | No. The Name and ID must match the existing XLL's functions. | Yes |
Volatile functions | Yes | Yes | Yes |
Multi-threaded recalculation support | Yes | Yes | Yes |
Calculation behavior | No UI. Excel can be unresponsive during calculation. | Users will see #BUSY! until a result is returned. | Users will see #BUSY! until a result is returned. |
Requirement sets | N/A | CustomFunctions 1.1 and later | CustomFunctions 1.1 and later |
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