How to create a backup file for an excel file which already exists.?
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just right click the file and click copy. then, go to a folder and right click and press paste.
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Go to  File-->Import and Export-->Export to a File-->Personal Folder File (.pst).\n\nFrom there you can choose to password protect the backup. Make sure to select the highest folder as it will include all the subfolders in your backup. (Usually selecting Personal Folders will include everything but you also have to check: "Include Subfolders").
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I'm not sure if I completely understand your question, but it sounds like want to either overwrite (replace) existing files you save to the file server, if the file on your computer is newer then the one already there. And basically not do anything with files already on the server that are exactly the same (file name, size, and date) as the ones on your computer.\nIf this is the case, then it should be the permissions of the folder that you're saving to on the server. Keep in mind if you're saving files to a folder inside a folder on the server, then the parent folder will typically be the only folder you can change the permissions on for all files and folders in it.\nTo change this you'll need to login on the server, you'll need Administrative rights and you'll have to physically be at the server, or logged in using a remote desktop client. Open the folder that contains the folder that you are trying to save files to across the network. Right click on the folder your trying to save to, left click on Properties in the drop down menu. A new window will open, at the top find the Sharing tab, then click on the Permissions button. In order to prevent duplicates of the same files being created you'll have to grant write/overwrite permission to each user independently or to a group. You need to uncheck the option at the bottom that inherent permissions from the parent folder, though this doesn't always work the way it seems like it should.\nHope this helps, if not, I'm sorry I was taking a shot LOL. Feel free to ask if you have any questions.\n\n***Revised Answer***\n\nI wont lie, I don't get much time with Mac's, but on the up side I understand your question now. \nOn the down side the only thing I can think of is to set up a cron job to get rid of them every once in a while. Since Mac's only create a ._ duplicate file when they modify/create a file. Let me know if this helps any.
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This is incredibly easy, and in no way risks the date/time information from being changed, and other correspondents seem to have forgotten this so far. For the benefit of these files being BACKED UP, using an archiving program like compressed files (on Windows 2000 and XP) programs like winzip or any other from a vast number of archiving utilities that can be found online, downloaded and installed, and some of them may even have step-by-step wizards to help and guide you to complete this task.\nUsing one of these will make your data take up less space.\n\nSince MS Windows is a graphical user interface, and as such, anything on the computer can be represented by an icon, and clicking on the icon will either open a file into a program, run a program, or open up a folder. All you have to do is open up the windows explorer, and from there select one of the disks/drives listed in that window, click on one of them and it will allow you to view data/diles there (depending on your set up, it may change in the open window where you are, or open up in another window) having two windows open will be easier.\n\nThis will subsequently list the folders (directories) that are stored on this drive. if you want to make a new one called backup - it may be an idea to give it a different name that you know what it is but no one else will, so not take any notice of it. Open this folder up so it is an open window. Switch back to the original window (say, the folder that represents "My Documents" and so long as both windows are open and visible on the screen, you can use what is called "drag & drop" to move/copy files from one location to another. To select more than one file at a time using the mouse, if all the files are in sequential order then using the mouse select an area round those files and they will be selected.The alternative method if you are being selective about what files you want to move, hold down the -Ctrl- key as you click on each file, and it also becomes selected, and will be highlighted along with other files .\n\nThis is genuinely easier to to than my description might suggest, but be VERY CAREFUL that you don't hit the delete key when more than one file is selected unless you genuinely want to get rid of that file, an easy mistake to make, and easy to recover from by going to your Recycle Bin (get to this from your desktop) and selecting restore files. Equally, be aware of not creating a file called "Copy of document.doc/picture.jpg" etc, because that is one sure as hell way to confuse people when they are doing file back up tasks, and this also doubles up the amuont of space the files take on your hard disk because there would be two of them.\n\n*SIDE NOTE* \nIf you have  only one drive it will be assigned drive letter (C) personally I would always recommend creating a second volume on your hard disk, and this would be one of the reasons for doing so. Incidentally, any CDrom or DVD and CDRewriter will normally be listed as (D) and (E) drives - this is a completely different way of backing up data, and not in the remit of your question. \n*NOTE ENDS*\n\nThis can also be applied to a folder on a network if you are connected to a network. Repeat all instruction as detailed above, with the exception that if you want to access it 9your backed up data) you will have to re-connect to the network, normally automatic when you log in to your computer - speak to your network administrator about this, if this is applicable.\n\nThank you for reading, and I hope this explains and assures you that it is a really easy task, and even a novice computer user can do this.
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If you saved it to a network drive (ie 'cos you're at work) as opposed to your PC's harddisk, then your IT support people might be able to salvage the previous version(s). It depends how they have things configured.\nAlso IF you had Word configured to save backup copies (see Tools-Option-Save tab "always create backup copy" option) then it would have created a *.wbk file in the same directory as the latest version. Don't save again though or you will loose that backup too.
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Open Windows XP Backup\nWindows XP includes its own backup program, although you may need to do some digging to find it. You can also take your pick of third-party programs (listed at the end of this column) that add bells and whistles you won't find in the basic Windows XP Backup utility.\n\nIf you use Windows XP Professional, the Windows Backup utility (Ntbackup.exe) should be ready for use. If you use Windows XP Home Edition, you'll need to follow these steps to install the utility:\n\n1.\n Insert your Windows XP CD into the drive and, if necessary, double-click the CD icon in My Computer. \n \n2.\n On the Welcome to Microsoft Windows XP screen, click Perform Additional Tasks. \n \n3.\n Click Browse this CD. \n \n4.\n In Windows Explorer, double-click the ValueAdd folder, then Msft, and then Ntbackup. \n \n5.\n Double-click Ntbackup.msi to install the Backup utility. \n \n\nFor more information, see How to Install Backup in Windows XP Home Edition.\n\nWith that chore out of the way, you're ready to begin backing up. By default, the Backup utility uses a wizard that makes the process straightforward. To start Backup:\n\n1.\n Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Backup to start the wizard. \n \n2.\n Click Next to skip past the opening page, choose Back up files and settings from the second page, and then click Next. You should see the page shown in Figure 1, which represents your first decision point. \n\n\n\nFigure 1\n\n \n\nTop of page\nDecide What to Back Up\nYou might be tempted to click All information on this computer so that you can back up every bit of data on your computer. Think twice before choosing this option, however. If you've installed a slew of software, your backup could add up to many gigabytes. For most people, the My documents and settings option is a better choice. This selection preserves your data files (including e-mail messages and address books) and the personal settings stored in the Windows Registry.\n\nIf several people use your computer—as might be the case on a shared family PC—select Everyone's documents and settings. This option backs up personal files and preferences for every user with an account on the computer.\n\nIf you know that you have data files stored outside your profile, click Let me choose what to back up. This option takes you to the Items to Back Up page shown in Figure 2.\n\n\n\nFigure 2\n\n\nSelect the My Documents check box to back up all the files in your personal profile, and then browse the My Computer hierarchy to select the additional files you need to back up. If some of your files are on a shared network drive, open the My Network Places folder and select those folders.\n\nThis option also comes in handy if you have some files you now you don't want to back up. For instance, I have more than 20 GB of music files in the My Music folder. To keep my data file backup to a reasonable size, I click the check box next to the My Music folder. This clears the check box from all the files and subfolders in My Music.\n\nTop of page\nDecide Where to Store Your Backup Files\nOn the Backup Type, Destination, and Name page, Windows asks you to specify a backup location. If you're one of those exceedingly rare individuals with access to a backup tape, the Backup utility gives you a choice of options in the Select a backup type box. No tape drive? No problem. Backup assumes you're going to save everything in a single file; you just have to choose a location for that file and give it a name.\n\nBy default, Backup proposes saving everything to your floppy drive (drive A). Although that might have made sense 10 years ago, it's hardly a rational choice today. You'd need dozens, perhaps hundreds of floppy disks to store even a modest collection of data files, especially if you collect digital music or photos.\n\nInstead, your best bet is to click Browse and choose any of the following loc
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just rename the file!
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Copy the data from the original one, go to the other one and paste.  A little clipboard icon will show up on the bottom right of the cell, click on it.  A menu will pop up and just click on 'link cell'.  When ever you update the info on the original is should reflect on the other one.
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Windows has a built in backup program which can be used for this. Go to accessories/systemstools/backup and the wizard will walk you thought e process. You can also setup a recurring backup which will update the back up with all the files that have changed during the day at a set night every night.\n\njainnys\nMind Experts Inc.\nhttp://www.mindexp.com
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Backup? You mean backing up files on the laptop? I'm confused.
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This is why I chose to have backups created in Word.\nIn a Word document:\nclick Tools\ncl Options\ncl Save tab\nput a checkmark to "always create a backup copy"\n\nThis way, you will only lose what you wrote since your last "save."\n\nThey will build up, but when you "refresh" they will be bunched together at the top of your list.  Just click and delete.
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Assuming cell A1 has the number you want to save as the following code will work:\n\nSub SaveAsName()\n    savename = Range("A1").Value\n    ActiveWorkbook.SaveAs Filename:= _\n        "C:&#92;Documents and Settings&#92;Owner.BLACK&#92;My Documents&#92;" & savename & ".xls"\n        \nEnd Sub\n\nYou will have to change the part of the path within the double quotes to match your SaveAs path
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You can make one yourself using a DVD (a CD doesn't have enough space).  If you are running XP, just go Start>All Programs>Accessories>System Tools>Backup.  Just follow the directions from there.
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Hi this is directly from the help files of excel on linking two work books together:\n\nCreate a link to another cell, workbook, or program\n*********************************************************************\nCreate a link between cells in the same worksheet or workbook\n\nClick the cell that contains the data you want to link to, and then click Copy  on the Standard toolbar. \nClick the cell you want to link from, and then click Paste . \nClick Paste Options  and then click Link Cells. \n\n**********************************************************************\nCreate a link between cells in different workbooks\n\nOpen both the workbook that will contain the link (called the destination workbook), and the workbook that contains the data you want to link to (called the source workbook). \nIn the destination workbook, click Save . \nSelect a cell or cells you want to link from. \nIf you are creating a new formula, type = (an equal sign). \nIf you are entering the link elsewhere in the formula, type the operator or function that you want to precede the link. \n\nOn the Window menu, click the name of the source workbook, and then click the worksheet that contains the cells you want to link to. \n\nSelect the cells you want to link to. \nComplete the formula. When you finish entering the formula, press ENTER. \n\n**********************************************************************\n\nHope this helps
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copy ur entire windows folder to a dvd ... if u ever need the drivers go to device manager and update driver ... point it to ur dvd and itl find them .. backup ur registry while ur at it and save that to a dvd to ... heres how::::\n\n                                    BACKUP\n\nHow to Back Up Files and Folders\nNote You must have permissions as an administrator or as a backup operator on your computer to back up files and folders. Also, backup operators and administrators can back up and restore encrypted files and folders without decrypting the files or folders.\n1. Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Backup. The Backup or Restore Wizard starts.\n2. Click Advanced Mode.\n3. Click the Backup tab.\n4. On the Job menu, click New.\n5. Click to select the check boxes for the drives that you want to back up. If you want to be more specific in your selections, expand the drive that you want, and then click to select the check boxes for the files or folders that you want.\n6. Click to select the System State check box.\n\nNote If you want to back up your system settings and your data files, back up all the data on your computer plus the System State data. The System State data includes such things as the registry, the COM+ class registration database, files under Windows File Protection, and boot files.\n7. In the Backup destination list, click the backup destination that you want to use.\n8. If you clicked File in the previous step, type the full path and file name that you want in the Backup media or file name box. You can also specify a network share as a destination for the backup file.\n9. Click Start Backup. The Backup Job Information dialog box appears.\n10. Under If the media already contains backups, use one of the following steps:\n• If you want to append this backup to previous backups, click Append this backup to the media.\n• If you want to overwrite previous backups with this backup, click Replace the data on the media with this backup.\n11. Click Advanced.\n12. Select the Verify data after backup check box.\n13. In the Backup Type box, click the type of backup that you want. When you click a backup type, a description of that backup type appears under "Description."\n14. Click OK, and then click Start Backup. A Backup Progress dialog box appears, and the backup starts.\n15. When the backup is complete, click Close.\n\n\n                                    RESTORE\n\n\nNote You must have administrative or backup operator credentials on your computer to restore files and folders. Backup operators and administrators can back up and restore encrypted files and folders without decrypting the files or folders.\n\nTo restore files and folders, follow these steps:\n1. Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Backup. The Backup or Restore Wizard starts.\n2. Click Advanced Mode.\n3. Click the Restore and Manage Media tab.\n4. Use one of the following steps:\n• If you want to restore from a backup file, expand File, and then expand the backup file that you want. For example, expand Backup.bkf created 01/01/2002 at 1:15 PM. By default, backup includes the date and time of the backup as part of the file name.\n• If you want to restore from a tape backup, expand the tape device that you want, and then expand the media name that you want. For example, expand Travan, and then expand Media created 01/01/2002 1:15 PM.\n5. Select the check boxes for the folders that you want to restore. If you want to be more specific in your selections, double-click the folder that you want, and then select the check boxes for the files or folders that you want to restore.\n6. If you are restoring the whole operating system, select the System State check box.\n\nNote If you want to restore the operating system and your data files, you must restore the System State data. The System State data includes such things as the re
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go to programme>accesories>system tools>backup then choose\nbackup>all information in computer then create a folder with name backup then burn it on cd. that's it.
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I would recommend thinking about online backup.  A system like Backup To the Web, at http://www.backuptotheweb.com will backup your files over just about any connection.  Some people will say online backup is slow, but I disagree.  The initial backup will take some time, but after that, the software only backs up files that have changed.  \n\nBest of all, it's automated and not expensive. (You can even configure it to backup more than one computer)