Preventing data disaster
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This article should help to avoid data loss and gives some hints.
Data security when using LibreOffice
Preventing data disaster
Every morning someone gets up, goes to the computer and observes:
″My data has disappeared, yesterday or just a moment ago they were still there″ .
One way or another, it happens every day. We don't know how many people are affected.
Is it thoughtlessness, recklessness, indifference, or the hope ″Oh, nothing's gonna happen".
"It's all worked out fine so far".
But, the data disaster has just struck!
Then the panic is great.
Whether it is a job for school, university, employer or yourself, it is usually just important and urgent information that you have written down or entered, because it must be ready today or immediately.
Why can data be lost?
Here are a few examples:
- The storage medium (hard disk, SSD, CD, DVD or stick) has been damaged and data can no longer be read.
- The edited file was not saved, or the saving process was interrupted.
- The edited file was saved in an incorrect file format.
- The program you were working with crashed unexpectedly.
- An essential computer component suddenly fails.
- There is a voltage dip or power failure.
- The user overwrites a created file with an empty file.
- The user accidentally deletes the created file.
The reality of why data is lost could go on and on.
However, most errors are not caused by hardware or software, but by the user.
How can we largely prevent data loss?
To prevent data from being lost, the so-called data backup is used.
And there are many possibilities.
It already starts with the editing of a document.
The more important a document is to you, the more often you should save it.
LibreOffice offers via the menu▸ ▸ ▸ at ″Save″ the possibility to save the AutoRecovery information every "X minutes" ("X" stands for the number of minutes).
LibreOffice uses the AutoRecovery information to recover a file after a crash.
In addition, a check mark can be set there to ″Always create a backup copy″.
This means that when you save a document, the previously saved status of the document is saved in a copy with the extension .bak.
The next time you save, it will be overwritten by the next state.
This is an action that is primarily intended to enable you to go back to an earlier status yourself if you have made mistakes while editing a document. 
Backup copies are stored in the directory that is defined in Extras there at Backup copies is set.
Under Windows 10, the backup copies are stored by default in the directory C:\Users\USERNAME\AppData\Roaming\LibreOffice\4\user\backup deposited.
Simple file duplication
In the simplest case you create a copy of the file.
However, if it is on the same data medium as the original, both versions of the file can be lost if the data medium is defective.
So it makes sense to save a copy of the important files on an external data medium.
A memory stick is useful for recurring, short-term ″temporary storage″.
Use your file manager to save a file from the main drive to the memory stick.
When working on a file, never save directly to a memory stick.
Remember that a memory stick has not yet saved all of its data when the file manager signals the end of the save operation.
Watch the memory stick until its indicator lamp stops flashing.
An already quite professional data backup is achieved if you use
- a program for data backup and
- external storage ( , , ) is used.
Data backup program
A backup program has the advantage that a complete backup of the computer data is usually performed.
This requires data medium that is large enough to store all this data.
Programs for data protection are also called backup programs for short.
These usually have extensive functions, such as:
- the time planning of the backup
- use of a backup scheme, such as incremental backup
- possible encryption of the backup
- possible password protection
- Validation of the backup
The time-volume factor plays an important role in data backup.
You should make this dependent on how many new files you create in a certain period of time and to what extent.
If you are a frequent writer or edit complex databases, you should back up your data as often as possible.
For this purpose you can use all the options listed above for your needs.
Data backup planning
Think carefully about what is the best procedure for you to keep your data as secure as possible.
The best thing is to make a note of what you want to do, make a backup plan.
Try to automate the backup process as much as possible.
And make a checklist of the actions to be taken manually.
You have probably already noticed that a small residual risk always remains, but it is very low with correct data backup.
Surely you will not initiate the backup after every written word, but consider what can be restored with a reasonably small effort.
Organization on the PC or drive
For working at the PC it is as important as in other areas of life to create Organization. 
Links to AskLibreOffice
 Links to AskLibreOffice.com [EN]
One way to do this is the extension TimeStampBackup:
If you use the icon or command provided by this extension instead of the ″Save″ icon or menu command, each time you save, a copy of the previous state is saved under a unique name containing the date and time so that you have a history of your saved versions.
 File management
Documentation / Manuals
Here you will find the Documentation / Manuals:
For questions on this topic go to:
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