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→Moving Cumulus software to a new PC (or updating Windows Operating System)
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These instructions apply whether you are upgrading to/from a beta version or a 'release' version.
== How do I back up my data, or transfer it to Cumulus on another computer? ==▼
== Moving Cumulus software to a new PC (or updating Windows Operating System) ==
Cumulus will continue to work with your existing weather station and existing log files, providing
#Your Windows regional settings are the same (i.e. date format unchanged, decimal point symbol unchanged, list sparator character unchanged) - if there is a difference, the new installation cannot understand the old lines in the file and will give an error when Cumulus is restarted.
#You may need to 'tweak' a few things (serial port number etc) in [[cumulus.ini]].
#The Cumulus 'data' sub-folder has been copied across, together with 'cumulus.ini' from the folder with cumulus.exe in it, and if you have created a 'strings.ini' that file too.
#Obviously if you use customised web pages, then you need the corresponding templates in the new installation.
#Any other customised files (images and/or a twitter.txt file, for example), you may want to copy those over too.
▲== How do I back up my data
*Copy the contents of the Cumulus ‘data’ sub-folder on a regular basis to a different storage device. Then if you have any problem with the original storage device, or corruption of files, you can minimise the loss of logged observations.
*It can be useful to take copies of the Cumulus 'backup' sub-folder on key dates (e.g. just after change of month or year), or if you think you might have some rogue figures. The '.ini' files in the backup sub-folder contain past extreme values that you might want to look up.
*You should also back up, at least once, your cumulus.ini file in the main Cumulusfolder. This contains all the key settings and you need a record of those!
Such a back-up can be viewed in Cumulus installed on another PC (see point about Windows regional settings in previous question) to look at past extremes or graphs; although obviously that additional installation will not be able to add further observations from the weather station connected to the original PC.
== Moving Cumulus software to a different location on your PC? ==
This article in the wiki gives more details above moving Cumulus: [[Moving cumulus]]
== What are the formats of the Cumulus data files? ==
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