You can’t open a document, or you see a message that an application program can’t be found.

mSome documents can be opened by more than one application program. Try starting a program that you think might be able to open the document, then choose Open from the program’s File menu to try to open

the document.

mPurchase and install the correct software to use the document, or find out if the creator of the document can convert it to a form that one of your programs can use.

mDon’t try to open the files in your System Folder. Most of the files in your System Folder are used by your computer for internal purposes and are not intended to be opened.

mRebuild your desktop by holding down the Option and x keys while starting up your computer. Keep holding down the keys until you see a message asking whether you want to rebuild the desktop. Click OK.

mIf the document is from a DOS computer, use the PC Exchange control panel to specify which Macintosh program will open the document. For information about working with DOS documents on your Macintosh, see

the “Using DOS Files & Disks” topic of Macintosh Guide, available in the Guide (h) menu.

You experience problems using a document from a DOS computer.

If you can’t open a DOS document using a Macintosh program, try the following:

mOpen the document from within the program by choosing Open in the program’s File menu.

mUse the PC Exchange control panel to change the document’s type to one that can be opened by the program.

If a DOS document is displayed incorrectly, or you see strange codes or characters in the document, try one of the following:

mYour application program may have special procedures for opening and saving documents with different file formats. See the information that came with your program or call the program’s publisher.

mTry opening the document in another program.

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Apple 600 series manual You experience problems using a document from a DOS computer
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600 series specifications

The Apple 600 series, part of Apple's innovative line of personal computers, represents a significant milestone in the realm of computing technology. Launched in the early 1990s, this series was designed primarily for educational and business environments, offering an array of cutting-edge features that catered to users’ evolving needs.

One of the defining characteristics of the Apple 600 series is its capability to handle a variety of tasks with impressive efficiency. Powered by the Motorola 68040 processor, which was lauded for its advanced performance, the series delivered an optimal balance of speed and power consumption. This made it a reliable choice for users requiring multitasking capabilities, be it in classrooms or corporate offices.

In terms of memory and storage, the 600 series was quite flexible. With configurations supporting up to 36 MB of RAM, users could easily upgrade to achieve better performance suited to their specific applications. Additionally, the built-in hard drives provided ample storage space, allowing users to manage and save critical documents, multimedia files, and educational software without running into space constraints.

Another notable feature of the Apple 600 series was its multimedia capabilities. The inclusion of a high-quality color display and support for various audio and video formats provided an engaging experience. This was especially beneficial in educational settings where interactive learning was becoming increasingly popular. With a variety of peripheral options available, users could enhance their computers with scanners, printers, and external storage devices, expanding their functionality further.

On the connectivity front, the Apple 600 series supported various networking options. It provided users with the ability to connect to local area networks (LANs), facilitating easy sharing of resources and information. This connectivity was critical for institutions looking to adopt more collaborative and interactive learning environments.

The Apple 600 series also incorporated an intuitive user interface, showcasing the signature appeal of Apple products. The operating system was designed to be user-friendly, accommodating both novice and experienced users alike, which contributed to its popularity in educational contexts.

In conclusion, the Apple 600 series is remembered for its remarkable performance, versatility, and user-centric design. With its advanced technology and features tailored for educational and business use, this series played a significant role in pushing forward the capabilities of personal computers in the early 1990s and remains a part of Apple's storied legacy in the technology world.
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