You open a document and then modify the content of it.

Example

Why does the file can only be read?

This is because the opened document is in read-only status, and it cannot be modified.

read-only property

Then, what is read-only document?

Some important files are set in read-only status in case that the content are get modified by mistake.

These documents cannot be modified unless the read-only status is removed.

Solutions

How to set the document in read-only status or how to remove the read-only status?

Right punch the document, and select Properties on the pop-up menu.

Then tick Read-only in the Properties dialog and click OK. you could set or remove the documents read-only status respectively.

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Applications

Read-only file has two software cases:

One case is the function provided by Windows system.

you could view and modify it by click property from right-click menu.

Setting the document in read-only status can protect the document from being modified oroverwrittenunexpectedly.

The other case is that the function is provided by specific software.

The document can be set in rea-only with an additional password to prevent the document from being modified.

For example, documents like Excel have such a function.

A document can have more than one such label.

The basic reason is that these labels belong to file properties.

you’re able to add or remove the labels arbitrarily.

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